arm: mx6: novena: Pull GPIO definitions into header

Pull the definitions of GPIOs into a separate header file, so that
they can be used across all source files.

Signed-off-by: Marek Vasut <marex@denx.de>
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Nikita Kiryanov <nikita@compulab.co.il>
Cc: Sean Cross <xobs@kosagi.com>
Cc: Simon Glass <sjg@chromium.org>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tim Harvey <tharvey@gateworks.com>
diff --git a/board/kosagi/novena/novena.c b/board/kosagi/novena/novena.c
index e303a57..5493e07 100644
--- a/board/kosagi/novena/novena.c
+++ b/board/kosagi/novena/novena.c
@@ -36,11 +36,9 @@
 #include <power/pfuze100_pmic.h>
 #include <stdio_dev.h>
 
-DECLARE_GLOBAL_DATA_PTR;
+#include "novena.h"
 
-#define NOVENA_BUTTON_GPIO	IMX_GPIO_NR(4, 14)
-#define NOVENA_SD_WP		IMX_GPIO_NR(1, 2)
-#define NOVENA_SD_CD		IMX_GPIO_NR(1, 4)
+DECLARE_GLOBAL_DATA_PTR;
 
 /*
  * GPIO button