imx8mp: evk: Add support for capsule update

Capsule update is EFI based firmware update which is widely
used in various OS distributions. This feature is required
by ARM System-Ready compliance test. So
 - Define image array and GUID
 - Select configs for EFI Capsule update

Signed-off-by: Peng Fan <peng.fan@nxp.com>

board/freescale/imx8mp_evk/imx8mp_evk.c

@@ -4,8 +4,31 @@
  */
 
 #include <asm/arch/sys_proto.h>
+#include <config.h>
+#include <efi_loader.h>
 #include <env.h>
 
+#if CONFIG_IS_ENABLED(EFI_HAVE_CAPSULE_SUPPORT)
+#define IMX_BOOT_IMAGE_GUID \
+	EFI_GUID(0x928b33bc, 0xe58b, 0x4247, 0x9f, 0x1d, \
+		 0x3b, 0xf1, 0xee, 0x1c, 0xda, 0xff)
+
+struct efi_fw_image fw_images[] = {
+	{
+		.image_type_id = IMX_BOOT_IMAGE_GUID,
+		.fw_name = u"IMX8MP-EVK-RAW",
+		.image_index = 1,
+	},
+};
+
+struct efi_capsule_update_info update_info = {
+	.dfu_string = "mmc 2=flash-bin raw 0 0x2000 mmcpart 1",
+	.num_images = ARRAY_SIZE(fw_images),
+	.images = fw_images,
+};
+#endif /* EFI_HAVE_CAPSULE_SUPPORT */
+
+
 int board_init(void)
 {
 	return 0;