board/garg: Free up more flash space
board/garg: Free up more flash space

Before:

RO: 192 bytes in flash and 30848 bytes in RAM still available
RW: 284 bytes in flash and 30848 bytes in RAM still available

After:

RO: 736 bytes in flash and 30880 bytes in RAM still available
RW: 860 bytes in flash and 30880 bytes in RAM still available

BRANCH=none
BUG=b:238433667
TEST=make buildall

Signed-off-by: Tom Hughes <fc5c12f30a5ed2baa0581f44ee14ad1eb7b20d83@chromium.org>
Change-Id: I0d940ab2124f657f8b70c7d96f7dd24bf67622c2
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3765446
Reviewed-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>

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