am335x: pepper: Add Gumstix Pepper AM335x-based machine

This adds the Gumstix Pepper[1] single-board computer based on the
TI AM335x processor. Schematics are available [2].

[1] https://store.gumstix.com/index.php/products/344/
[2] https://pubs.gumstix.com/boards/PEPPER/

Signed-off-by: Ash Charles <ash@gumstix.com>
[trini: Move 'cdev' in board.c down to under #ifdef's where it's used]
Signed-off-by: Tom Rini <trini@ti.com>
diff --git a/board/gumstix/pepper/board.h b/board/gumstix/pepper/board.h
new file mode 100644
index 0000000..0512735
--- /dev/null
+++ b/board/gumstix/pepper/board.h
@@ -0,0 +1,19 @@
+/*
+ * Gumstix Pepper and AM335x-based boards information header
+ *
+ * Copyright (C) 2014, Gumstix, Inc. - http://www.gumstix.com/
+ *
+ * SPDX-License-Identifier:     GPL-2.0+
+ */
+
+#ifndef _BOARD_H_
+#define _BOARD_H_
+
+/*
+ * We must be able to enable uart0, for initial output. We then have a
+ * main pinmux function that can be overridden to enable all other pinmux that
+ * is required on the board.
+ */
+void enable_uart0_pin_mux(void);
+void enable_board_pin_mux(void);
+#endif