AGESA boards: Fix typo in *OVERRIDES* in comment

Run the command below to fix all occurrences.

    git grep -l OVERIDES | xargs sed -i 's/OVERIDES/OVERRIDES/g'

Change-Id: I5ca237500a0ecff59203480ecc3c992991f08130
Signed-off-by: Paul Menzel <pmenzel@molgen.mpg.de>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/41856
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Michał Żygowski <michal.zygowski@3mdeb.com>

src/mainboard/amd/persimmon/OemCustomize.c

@@ -88,7 +88,7 @@ void board_BeforeInitEarly(struct sysinfo *cb, AMD_EARLY_PARAMS *InitEarly)
 }
 
 /*----------------------------------------------------------------------------------------
- *						CUSTOMER OVERIDES MEMORY TABLE
+ *						CUSTOMER OVERRIDES MEMORY TABLE
  *----------------------------------------------------------------------------------------
  */