chip/mt8192_scp: remove confusing comments
chip/mt8192_scp: remove confusing comments

BRANCH=none
BUG=b:156222508
BUG=b:156222459
TEST=make BOARD=asurada_scp

Signed-off-by: Tzung-Bi Shih <5e6f7578cd434ae5b4c9ffe5250f7a87a25045d7@chromium.org>
Change-Id: Icda539485e630c2e14a38e182f3b3c3a2959cec8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2534435
Reviewed-by: Eric Yilun Lin <2f2733c7206ea2b76bd2db1905cc5e8a75841c48@chromium.org>

coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec,coreboot/chrome-ec