x86: Add EFI board code

Add support for the efi-x86 board, which supports running U-Boot as an
EFI 32-bit application.

Signed-off-by: Ben Stoltz <stoltz@google.com>
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
diff --git a/board/efi/efi-x86/MAINTAINERS b/board/efi/efi-x86/MAINTAINERS
new file mode 100644
index 0000000..a44c7c6
--- /dev/null
+++ b/board/efi/efi-x86/MAINTAINERS
@@ -0,0 +1,6 @@
+EFI-X86 BOARD
+M:	Simon Glass <sjg@chromium.org>
+S:	Maintained
+F:	board/efi/efi-x86/
+F:	include/configs/efi-x86.h
+F:	configs/efi-x86_defconfig