kernel/hal: `hal_i2s` doesn't display number when `zero == 0` and `i == 0`

[astalke]

Description

• MISRA
• Fix hal_i2s not displaying a number when zero == 0 and i == 0

Motivation and Context

Types of changes

• [x] 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).
• [x] Tested by hand on: ia32-generic-qemu

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).
• [ ] I will merge this PR by myself when appropriate.

[github-actions[bot]]

Unit Test Results

7 460 tests  ±0   6 745 :white_check_mark: ±0   38m 53s :stopwatch: -6s   420 suites ±0     715 :zzz: ±0      1 files   ±0       0 :x: ±0 

Results for commit 1309f46e. ± Comparison against base commit 828df3ff.

[kemonats]

See #231 proposed over 2 years ago and ignored.

[astalke]

See #231 proposed over 2 years ago and ignored.

I saw your PR, but due to changes in exceptions.c and string.c it doesn't merge, so I wrote it again.