x86: Turn on support for EFI's GPT in the coreboot config

This allows u-boot to figure out the partitions of a chrome-os install.

Signed-off-by: Gabe Black <gabeblack@chromium.org>
Signed-off-by: Simon Glass <sjg@chromium.org>

include/configs/coreboot.h

@@ -126,13 +126,16 @@
 /************************************************************
  * DISK Partition support
  ************************************************************/
+#define CONFIG_EFI_PARTITION
 #define CONFIG_DOS_PARTITION
 #define CONFIG_MAC_PARTITION
 #define CONFIG_ISO_PARTITION		/* Experimental */
 
+#define CONFIG_CMD_PART
 #define CONFIG_CMD_CBFS
 #define CONFIG_CMD_EXT4
 #define CONFIG_CMD_EXT4_WRITE
+#define CONFIG_PARTITION_UUIDS
 
 /*-----------------------------------------------------------------------
  * Video Configuration