Docs: Fix spelling errors in comments

[ibrahimmd90]

Corrects a spelling mistake in the source comments (writen -> written).

[KeilChris]

LGTM

[github-actions]

Test Results

   264 files   -   108     264 suites   - 108   0s ⏱️ - 8m 56s
    56 tests +    7      54 ✅ + 10      2 💤  -     3  0 ❌ ±0 
14 292 runs   - 3 936  12 124 ✅ +160  2 168 💤  - 4 096  0 ❌ ±0 

Results for commit 107f887. ± Comparison against base commit 2407b31.

This pull request removes 49 and adds 56 tests. Note that renamed tests count towards both.

CMSIS-Core.src ‑ apsr.c
CMSIS-Core.src ‑ basepri.c
CMSIS-Core.src ‑ bkpt.c
CMSIS-Core.src ‑ clrex.c
CMSIS-Core.src ‑ clz.c
CMSIS-Core.src ‑ control.c
CMSIS-Core.src ‑ cp15.c
CMSIS-Core.src ‑ cpsr.c
CMSIS-Core.src ‑ dmb.c
CMSIS-Core.src ‑ dsb.c
…

TC_CML1Cache_CleanDCacheByAddrWhileDisabled
TC_CML1Cache_EnDisableDCache
TC_CML1Cache_EnDisableICache
TC_CoreFunc_APSR
TC_CoreFunc_BASEPRI
TC_CoreFunc_Control
TC_CoreFunc_EnDisIRQ
TC_CoreFunc_EncDecIRQPrio
TC_CoreFunc_FAULTMASK
TC_CoreFunc_FPSCR
…

This pull request removes 5 skipped tests and adds 2 skipped tests. Note that renamed tests count towards both.

CMSIS-Core.src ‑ lda.c
CMSIS-Core.src ‑ ldaex.c
CMSIS-Core.src ‑ stl.c
CMSIS-Core.src ‑ stlex.c
CMSIS-Core.src ‑ systick.c

TC_CoreInstr_WFE
TC_CoreInstr_WFI