Move function/data sections to common CFLAGS

Instead of adding -ffunction-sections and -fdata-sections to
every architecture, just add it to CFLAGS_common, thus making
sure that new architectures will pick it up automatically.

Change-Id: I38e878851226565b7791d05e222cb4e502e0c8a3
Signed-off-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Reviewed-on: http://review.coreboot.org/11105
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <pgeorgi@google.com>
2 files changed