Exynos 5420: Enable dynamic CBMEM

...  In order to do this, the graphics memory has to move into
the resource allocator and out of CBMEM.

Change-Id: I565c3d6dea747822fbabf6f3845232d4adfbf333
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: https://gerrit.chromium.org/gerrit/63657
Reviewed-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/4391
Tested-by: build bot (Jenkins)
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/cpu/samsung/exynos5420/Makefile.inc b/src/cpu/samsung/exynos5420/Makefile.inc
index b92a23f..704a346 100644
--- a/src/cpu/samsung/exynos5420/Makefile.inc
+++ b/src/cpu/samsung/exynos5420/Makefile.inc
@@ -33,6 +33,7 @@
 romstage-y += timer.c
 romstage-y += i2c.c
 #romstage-y += wdt.c
+romstage-y += cbmem.c
 
 ramstage-y += spi.c
 ramstage-y += clock.c
@@ -50,6 +51,7 @@
 ramstage-y += dp-reg.c
 ramstage-y += fb.c
 ramstage-y += usb.c
+ramstage-y += cbmem.c
 
 exynos5420_add_bl1: $(obj)/coreboot.pre
 	printf "    DD         Adding Samsung Exynos5420 BL1\n"