misc: adapt to gcc 14.2 warnings

[badochov]

Description

Warnings fixed:

Warning: /github/workspace/phoenix-rtos-lwip/drivers/ephy.c:121:9: warning: 'full_duplex' may be used uninitialized [-Wmaybe-uninitialized]
  121 |         printf("lwip: ephy%u.%u link is %s %uMbps/%s (ctl %04x, status %04x, adv %04x, lpa %04x, pctl %04x,%04x)\n",
      |         ^~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  122 |                 phy->bus, phy->addr, linkup ? "UP  " : "DOWN", speed, full_duplex ? "Full" : "Half",
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
  123 |                 bctl, bstat, adv, lpa, pc1, pc2);
      |                 ~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~
/github/workspace/phoenix-rtos-lwip/drivers/ephy.c:104:20: note: 'full_duplex' was declared here
  104 |         int speed, full_duplex;
      |                    ^~~~~~~~~~~

Motivation and Context

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)
• Chore (refactoring, style fixes, git/CI config, submodule management, no code logic changes)

How Has This Been Tested?

• Already covered by automatic testing.
• New test added: (add PR link here).
• Tested by hand on: (list targets here).

Checklist:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.
• I have added tests to cover my changes.
• All new and existing linter checks and tests passed.
• My changes generate no new compilation warnings for any of the targets.

Special treatment

• This PR needs additional PRs to work (list the PRs, preferably in merge-order).
  misc: match declaration and definition signatures lwip#13
• I will merge this PR by myself when appropriate.

[github-actions]

Unit Test Results

7 329 tests   - 396   6 645 ✅  - 365   41m 22s ⏱️ + 4m 13s
  461 suites + 16     672 💤  -  43 
    1 files   ±  0      12 ❌ + 12 

For more details on these failures, see this check.

Results for commit 56af6c1. ± Comparison against base commit b0964a1.

This pull request removes 422 and adds 26 tests. Note that renamed tests count towards both.

phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.data_in
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.data_in_big
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.data_inout
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.data_inout_big
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.data_out
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.data_out_big
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.in_val
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.invalid_req
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.no_data
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit.ioctl.not_valid_fd
…

flash ‑ sparcv8leon3-generic-qemu:flash
phoenix-rtos-tests/ioctl/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/ioctl/unit
phoenix-rtos-tests/libc/misc ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/libc/misc
phoenix-rtos-tests/libc/stdio ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/libc/stdio
phoenix-rtos-tests/libc/string ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/libc/string
phoenix-rtos-tests/libuuid/unit ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/libuuid/unit
phoenix-rtos-tests/proc/test_thread_rand ‑ armv7m7-imxrt106x-evk:phoenix-rtos-tests/proc/test_thread_rand
phoenix-rtos-tests/psh/auth ‑ sparcv8leon3-generic-qemu:phoenix-rtos-tests/psh/auth
phoenix-rtos-tests/psh/autocompletion ‑ sparcv8leon3-generic-qemu:phoenix-rtos-tests/psh/autocompletion
phoenix-rtos-tests/psh/cat ‑ sparcv8leon3-generic-qemu:phoenix-rtos-tests/psh/cat
…

♻️ This comment has been updated with latest results.

[github-actions]

[clang-format-pr] _{reported by reviewdog 🐶}
suggested fix

Suggested change

	phy->bus, phy->addr, linkup ? "UP " : "DOWN", speed, (full_duplex != 0) ? "Full" : "Half",
	bctl, bstat, adv, lpa, pc1, pc2);
	phy->bus, phy->addr, linkup ? "UP " : "DOWN", speed, (full_duplex != 0) ? "Full" : "Half",
	bctl, bstat, adv, lpa, pc1, pc2);