Added changes for mount partition2 on /boot

[KeerthanaAP]

Fix #533

Verified mulitpath is configured properly in the VM booted with image with p2 mounted as /boot

rhel 9.3:
Disk configuration

[root@rhel9-3 ~]# lsblk
NAME        MAJ:MIN RM  SIZE RO TYPE  MOUNTPOINTS
sda           8:0    0  120G  0 disk  
├─sda1        8:1    0    4M  0 part  
├─sda2        8:2    0  600M  0 part  
├─sda3        8:3    0 10.4G  0 part  
└─mpatha    253:0    0  120G  0 mpath 
  ├─mpatha1 253:1    0    4M  0 part  
  ├─mpatha2 253:2    0  600M  0 part  /boot
  └─mpatha3 253:3    0 10.4G  0 part  /
sdb           8:16   0  120G  0 disk  
├─sdb1        8:17   0    4M  0 part  
├─sdb2        8:18   0  600M  0 part  
├─sdb3        8:19   0 10.4G  0 part  
└─mpatha    253:0    0  120G  0 mpath 
  ├─mpatha1 253:1    0    4M  0 part  
  ├─mpatha2 253:2    0  600M  0 part  /boot
  └─mpatha3 253:3    0 10.4G  0 part  /
sdc           8:32   0  120G  0 disk  
├─sdc1        8:33   0    4M  0 part  
├─sdc2        8:34   0  600M  0 part  
├─sdc3        8:35   0 10.4G  0 part  
└─mpatha    253:0    0  120G  0 mpath 
  ├─mpatha1 253:1    0    4M  0 part  
  ├─mpatha2 253:2    0  600M  0 part  /boot
  └─mpatha3 253:3    0 10.4G  0 part  /
sdd           8:48   0  120G  0 disk  
├─sdd1        8:49   0    4M  0 part  
├─sdd2        8:50   0  600M  0 part  
├─sdd3        8:51   0 10.4G  0 part  
└─mpatha    253:0    0  120G  0 mpath 
  ├─mpatha1 253:1    0    4M  0 part  
  ├─mpatha2 253:2    0  600M  0 part  /boot
  └─mpatha3 253:3    0 10.4G  0 part  /
sde           8:64   0  120G  0 disk  
├─sde1        8:65   0    4M  0 part  
├─sde2        8:66   0  600M  0 part  
├─sde3        8:67   0 10.4G  0 part  
└─mpatha    253:0    0  120G  0 mpath 
  ├─mpatha1 253:1    0    4M  0 part  
  ├─mpatha2 253:2    0  600M  0 part  /boot
  └─mpatha3 253:3    0 10.4G  0 part  /
sdf           8:80   0  120G  0 disk  
├─sdf1        8:81   0    4M  0 part  
├─sdf2        8:82   0  600M  0 part  
├─sdf3        8:83   0 10.4G  0 part  
└─mpatha    253:0    0  120G  0 mpath 
  ├─mpatha1 253:1    0    4M  0 part  
  ├─mpatha2 253:2    0  600M  0 part  /boot
  └─mpatha3 253:3    0 10.4G  0 part  /
sdg           8:96   0  120G  0 disk  
├─sdg1        8:97   0    4M  0 part  
├─sdg2        8:98   0  600M  0 part  
├─sdg3        8:99   0 10.4G  0 part  
└─mpatha    253:0    0  120G  0 mpath 
  ├─mpatha1 253:1    0    4M  0 part  
  ├─mpatha2 253:2    0  600M  0 part  /boot
  └─mpatha3 253:3    0 10.4G  0 part  /
sdh           8:112  0  120G  0 disk  
├─sdh1        8:113  0    4M  0 part  
├─sdh2        8:114  0  600M  0 part  
├─sdh3        8:115  0 10.4G  0 part  
└─mpatha    253:0    0  120G  0 mpath 
  ├─mpatha1 253:1    0    4M  0 part  
  ├─mpatha2 253:2    0  600M  0 part  /boot
  └─mpatha3 253:3    0 10.4G  0 part  /
sr0          11:0    1  506K  0 rom   

Multipath is not configured when the instance booted with the image without p2 mounted as /boot
rhel 9.3:
Disk configuration

[root@rhel93-wm ~]# lsblk
NAME   MAJ:MIN RM   SIZE RO TYPE MOUNTPOINTS
sda      8:0    0   120G  0 disk 
├─sda1   8:1    0     4M  0 part 
├─sda2   8:2    0   600M  0 part 
└─sda3   8:3    0 119.4G  0 part 
sdb      8:16   0   120G  0 disk 
├─sdb1   8:17   0     4M  0 part 
├─sdb2   8:18   0   600M  0 part 
└─sdb3   8:19   0 119.4G  0 part /
sdc      8:32   0   120G  0 disk 
├─sdc1   8:33   0     4M  0 part 
├─sdc2   8:34   0   600M  0 part 
└─sdc3   8:35   0 119.4G  0 part 
sdd      8:48   0   120G  0 disk 
├─sdd1   8:49   0     4M  0 part 
├─sdd2   8:50   0   600M  0 part 
└─sdd3   8:51   0 119.4G  0 part 
sde      8:64   0   120G  0 disk 
├─sde1   8:65   0     4M  0 part 
├─sde2   8:66   0   600M  0 part 
└─sde3   8:67   0 119.4G  0 part 
sdf      8:80   0   120G  0 disk 
├─sdf1   8:81   0     4M  0 part 
├─sdf2   8:82   0   600M  0 part /boot
└─sdf3   8:83   0 119.4G  0 part 
sdg      8:96   0   120G  0 disk 
├─sdg1   8:97   0     4M  0 part 
├─sdg2   8:98   0   600M  0 part 
└─sdg3   8:99   0 119.4G  0 part 
sdh      8:112  0   120G  0 disk 
├─sdh1   8:113  0     4M  0 part 
├─sdh2   8:114  0   600M  0 part 
└─sdh3   8:115  0 119.4G  0 part 
sr0     11:0    1   506K  0 rom  

[mkumatag]

/cc @sudeeshjohn

[mkumatag]

/cc @kishen-v

[kishen-v]

@KeerthanaAP, please resolve the comments that have been addressed.

[KeerthanaAP]

@kishen-v Resolved all the comments which are addressed. Could you PTAL!
Thanks!

[suhailos]

@sudeeshjohn @kishen-v @bkhadars need your action on this pls.

[kishen-v]

/lgtm

[mkumatag]

@sudeeshjohn ptal and remove the hold whenever you are comfortable!

/approve
/hold

[sudeeshjohn]

/lgtm

[ppc64le-cloud-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: KeerthanaAP, mkumatag, sudeeshjohn

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[sudeeshjohn]

/unhold