X60: trigger save cmos on volume/brightness change

Change-Id: I020e06bc311c4e4327c9d3cf2c379dc8fe070a7a
Signed-off-by: Sven Schnelle <svens@stackframe.org>
Reviewed-on: http://review.coreboot.org/25
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/lib/Makefile.inc

@@ -36,7 +36,7 @@ ramstage-$(CONFIG_BOOTSPLASH) += jpeg.c
 
 driver-$(CONFIG_CONSOLE_NE2K) += ne2k.c
 
-smm-y += memcpy.c
+smm-y += memcpy.c cbfs.c memset.c memcmp.c
 smm-$(CONFIG_CONSOLE_SERIAL8250) += uart8250.c
 smm-$(CONFIG_CONSOLE_SERIAL8250MEM) += uart8250mem.c