vboot2: CFLAGS_* doesn't contain preprocessor flags anymore

The preprocessor flags that are manipulated in that line are
managed exclusively in CPPFLAGS since commit 58f73a69.

Change-Id: I2263401a292b4f7435659b24cf4f695a927015ef
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/9948
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
1 file changed