rollback: Conditionally include cryptoc
rollback: Conditionally include cryptoc

This include is not needed and not available when
CONFIG_ROLLBACK_SECRET_SIZE is not defined.

BRANCH=none
BUG=none
TEST=make buildall -j
TEST=# undefine CONFIG_ROLLBACK_SECRET_SIZE in nocturne_fp board.h
     make BOARD=nocturne_fp
     # This will not compile without this fix
     # With this fix, no compilation errors are output

Change-Id: I651f4e254189f34228f1aa2f2a2ff21808ab5d5c
Signed-off-by: Craig Hesling <383db090fd8ef907a606ac8a9eccd2962bc489cf@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/platform/ec/+/1952291
Reviewed-by: Jett Rink <9d4aef0593e6843318d99df31597fb6153b89787@chromium.org>

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