inteltool: Add hint for compiler to avoid fall-through warning

Falling through is intended here, so add a comment that GCC will notice
and stop warning about this.

Change-Id: I12637b6bc18844a3bc47f06208df7fee7a4feb3b
Found-by: gcc-7 (Debian 7-20170316-1) 7.0.1 20170316 (experimental) [trunk revision 246203]
Signed-off-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-on: https://review.coreboot.org/18906
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Omar Pakker
Reviewed-by: Felix Held <felix-coreboot@felixheld.de>

0 files changed, 0 insertions, 0 deletions