Trondo: Reduce flash usage
Trondo: Reduce flash usage

Trondo is nearly out of space on ToT, so reduce its flash usage by
removing help strings.

BRANCH=None
BUG=None
TEST=make -j buildall

Signed-off-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Change-Id: I27179daae41f484afa7d342b18cf8bea0e88dc37
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3218367
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>
Commit-Queue: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>

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