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, b:138754582
BRANCH=master
TEST='make -j BOARD=kohaku' in EC repo, verified builds succeed.
Verify on the device that ALS readings are valid.

Reading in dark:
in_illuminance_blue_raw:0
in_illuminance_green_raw:7
in_illuminance_raw:0
in_illuminance_red_raw:3

Cq-Depend: chromium:1986286
Change-Id: I3953adf6960db8e242e01db16bc126330d4a7d86
Signed-off-by: Mengqi Guo <f3eebf5d5427e5c14f7824b95122b86543fe3934@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1984893
Reviewed-by: Nick Vaccaro <d7b7f639f621b3ed89d9b581ffecdb610b635a33@google.com>

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