x86: efi: payload: Add EFI framebuffer driver support

This turns on the EFI framebuffer driver support so that a graphics
console can be of additional help.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>

arch/x86/dts/efi-x86_payload.dts

@@ -33,4 +33,8 @@
 		compatible = "pci-x86";
 		u-boot,dm-pre-reloc;
 	};
+
+	efi-fb {
+		compatible = "efi-fb";
+	};
 };

board/efi/efi-x86_payload/Kconfig

@@ -30,6 +30,7 @@ config BOARD_SPECIFIC_OPTIONS # dummy
 	imply USB_XHCI_HCD
 	imply USB_STORAGE
 	imply USB_KEYBOARD
+	imply VIDEO_EFI
 	imply E1000
 	imply ETH_DESIGNWARE
 	imply PCH_GBE