kohaku: tcs3400: update coeffs for als and rgb sensor
kohaku: tcs3400: update coeffs for als and rgb sensor

Update board files for kohaku to use new coefficients for als and
rgb sensor.

BUG=b:145701281
BRANCH=master
TEST='make -j BOARD=kohaku' in EC repo, verified builds succeed.
Verify on the device that ALS readings are valid.

Cq-Depend: chromium:1879189
Change-Id: I01d9ab3c50f352bc45aaf9bba7eb7dd56cc07faa
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1960921
Tested-by: Nick Vaccaro <d7b7f639f621b3ed89d9b581ffecdb610b635a33@google.com>
Commit-Queue: Nick Vaccaro <d7b7f639f621b3ed89d9b581ffecdb610b635a33@google.com>
Auto-Submit: Mengqi Guo <f3eebf5d5427e5c14f7824b95122b86543fe3934@chromium.org>
Reviewed-by: Gwendal Grignou <190c5a5edfcf62e0246559bf31fa7548674de3ad@chromium.org>

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