exynos5250: uncomment $(INTERMEDIATE)

This makes the intermediate rule visible so BL1 gets automatically
placed in the final image.

Change-Id: Iffb0268e5bbcbe135f2d39863ed64fa302409a22
Signed-off-by: David Hendricks <dhendrix@chromium.org>
Reviewed-on: http://review.coreboot.org/3141
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
Tested-by: build bot (Jenkins)

src/cpu/samsung/exynos5250/Makefile.inc

@@ -1,7 +1,7 @@
 # Run an intermediate step when producing coreboot.rom
 # that adds additional components to the final firmware
 # image outside of CBFS
-#INTERMEDIATE += exynos5250_add_bl1
+INTERMEDIATE += exynos5250_add_bl1
 
 bootblock-y += pinmux.c mct.c power.c
 # Clock is required for UART