board: Add gazerbeam driver

Add a board driver for the upcoming gdsys Gazerbeam board.

Signed-off-by: Mario Six <mario.six@gdsys.cc>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/board/Kconfig b/drivers/board/Kconfig
index c9a52dc..cc1cf27 100644
--- a/drivers/board/Kconfig
+++ b/drivers/board/Kconfig
@@ -5,3 +5,13 @@
 	  mechanisms (e.g. reading GPIO values, determining the presence of
 	  devices on busses, etc.). This enables the usage of U-Boot with
 	  modular board architectures.
+
+if BOARD
+
+
+config BOARD_GAZERBEAM
+	bool "Enable device information for the Gazerbeam board"
+	help
+	  Support querying device information for the gdsys Gazerbeam board.
+
+endif