Trondo: Free up flash space
Trondo: Free up flash space

Trondo is nearly out of space on ToT, so remove the PRL debug strings in
order to free up some bytes.

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

Signed-off-by: Diana Z <cb2016afc7183e5356c690dc63b4ba817470501a@chromium.org>
Change-Id: I8534495ed82f2c27cd9b2b9a293e7117a67e3062
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/3078410
Reviewed-by: Keith Short <f6d578f97033c25f1206cb57d52f358974c82954@chromium.org>

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