common: body: Use IS_ENABLED
common: body: Use IS_ENABLED

BUG=chromium:1140877
BRANCH=none
TEST=buildall

Signed-off-by: Gwendal Grignou <190c5a5edfcf62e0246559bf31fa7548674de3ad@chromium.org>
Change-Id: Iac63ec83258d1194d2b035c1dd67b6f915d37c16
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/2489462
Reviewed-by: Ching-Kang Yen <c8fee4620c2902043a07aa1dce55b9338cfd358b@chromium.org>

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