coreboot_table.c: Add missing include files

If compiling coreboot with ChromeOS support, two
more include files are required.

Change-Id: I7e042e250e4a89e7dd4bab58443824d503c3f709
Signed-off-by: Stefan Reinauer <reinauer@google.com>
Reviewed-on: http://review.coreboot.org/931
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>

src/arch/x86/boot/coreboot_table.c

@@ -34,6 +34,10 @@
 #if CONFIG_USE_OPTION_TABLE
 #include <option_table.h>
 #endif
+#if CONFIG_CHROMEOS
+#include <arch/acpi.h>
+#include <vendorcode/google/chromeos/gnvs.h>
+#endif
 
 static struct lb_header *lb_table_init(unsigned long addr)
 {