Fix typos in headers

[tudortimi]

Not sure whether you take contributions, but if you do, I fixed some typos that I noticed while working with CMSIS.

[github-actions[bot]]

Test Results

   240 files   -   132     240 suites   - 132   0s :stopwatch: - 8m 45s     56 tests +    7      54 :white_check_mark: +   10      2 :zzz:  -     3  0 :x: ±0  12 948 runs   - 5 280  10 860 :white_check_mark:  - 1 104  2 088 :zzz:  - 4 176  0 :x: ±0 

Results for commit 5873fa72. ± Comparison against base commit 5782d6f8.

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 ```