x86: Add basic Intel Galileo board support

New board/intel/galileo board directory with minimum codes, plus
board dts, defconfig and configuration files.

Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Acked-by: Simon Glass <sjg@chromium.org>
diff --git a/board/intel/galileo/MAINTAINERS b/board/intel/galileo/MAINTAINERS
new file mode 100644
index 0000000..dbbc82e
--- /dev/null
+++ b/board/intel/galileo/MAINTAINERS
@@ -0,0 +1,6 @@
+INTEL GALILEO BOARD
+M:	Bin Meng <bmeng.cn@gmail.com>
+S:	Maintained
+F:	board/intel/galileo/
+F:	include/configs/galileo.h
+F:	configs/galileo_defconfig