brya: LED comments improvement
brya: LED comments improvement

Fix typo, add functional description

BRANCH=none
BUG=b:182329831
TEST=none (changed comments only)

Signed-off-by: Boris Mittelberg <46897f4fb5cad4b1d5146ad1fd460d7f4825bbf7@google.com>
Change-Id: Ie36b39291bd0111412fea3b5d3bf963517cf1da3
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2932418
Reviewed-by: caveh jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>
Commit-Queue: caveh jalali <08e24a66aefda7a55ca7d73f8903e0fb16eec763@chromium.org>

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