cr50: mark ccdstate console command safe
cr50: mark ccdstate console command safe

ccdstate just prints state. It is very useful for debugging ccd/servo
contention issues. This change makes it a safe command so it is
accessible even when the console is locked.

BUG=none
BRANCH=cr50
TEST=make buildall

Change-Id: I2e754f5978c83fcaca737e7a590dcf5ee445522c
Signed-off-by: Mary Ruthven <81380f3403fed74252e92df3ed012a1819ec6296@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/809864
Reviewed-by: Randall Spangler <62698fdbb84d1779579ee80c3f39fac22017e5bc@chromium.org>
Reviewed-by: Vadim Bendebury <5515d6d2d0829cbe0dd0dcf2094aaded06d58514@chromium.org>

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