mailmap: add Andrej Shadura

Add a mapping for my old work email for BelDisplayTech to the personal
email, and make sure the Collabora email has the correct spelling of the
first name.

Link: https://lkml.kernel.org/r/20210917091016.30232-1-andrew.shadura@collabora.co.uk
Signed-off-by: Andrej Shadura <andrew.shadura@collabora.co.uk>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

.mailmap

@@ -33,6 +33,8 @@ Al Viro <viro@zenIV.linux.org.uk>
 Andi Kleen <ak@linux.intel.com> <ak@suse.de>
 Andi Shyti <andi@etezian.org> <andi.shyti@samsung.com>
 Andreas Herrmann <aherrman@de.ibm.com>
+Andrej Shadura <andrew.shadura@collabora.co.uk>
+Andrej Shadura <andrew@shadura.me> <andrew@beldisplaytech.com>
 Andrew Morton <akpm@linux-foundation.org>
 Andrew Murray <amurray@thegoodpenguin.co.uk> <amurray@embedded-bits.co.uk>
 Andrew Murray <amurray@thegoodpenguin.co.uk> <andrew.murray@arm.com>