MX5: make use of GPIO framework for MX5 processor

Signed-off-by: Stefano Babic <sbabic@denx.de>

arch/arm/include/asm/arch-mx5/gpio.h

+/*
+ * Copyright (C) 2011
+ * Stefano Babic, DENX Software Engineering, <sbabic@denx.de>
+ *
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+
+#ifndef __ASM_ARCH_MX5_GPIO_H
+#define __ASM_ARCH_MX5_GPIO_H
+
+/* GPIO registers */
+struct gpio_regs {
+	u32	gpio_dr;
+	u32	gpio_dir;
+	u32	gpio_psr;
+};
+
+#endif

arch/arm/include/asm/arch-mx5/imx-regs.h

@@ -409,13 +409,6 @@ struct iomuxc {
 };
 #endif
 
-/* GPIO Registers */
-struct gpio_regs {
-	u32	gpio_dr;
-	u32	gpio_dir;
-	u32	gpio_psr;
-};
-
 /* System Reset Controller (SRC) */
 struct src {
 	u32	scr;