samsung/exynos5250: Add vboot2 memory region

Change-Id: Ia7d2cafc958859be782f63c956dbd632e28bcf11
Signed-off-by: Patrick Georgi <pgeorgi@google.com>
Reviewed-on: http://review.coreboot.org/11101
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>

src/soc/samsung/exynos5250/include/soc/memlayout.ld

@@ -18,6 +18,7 @@
  */
 
 #include <memlayout.h>
+#include <vendorcode/google/chromeos/memlayout.h>
 
 #include <arch/header.ld>
 
@@ -35,7 +36,8 @@ SECTIONS
 	ROMSTAGE(0x2030000, 128K)
 	/* 32K hole */
 	TTB(0x2058000, 16K)
-	PRERAM_CBFS_CACHE(0x205C000, 96K)
+	PRERAM_CBFS_CACHE(0x205C000, 80K)
+	VBOOT2_WORK(0x2070000, 16K)
 	STACK(0x2074000, 16K)
 	SRAM_END(0x2078000)