MIPS: ralink: rename gpio_pinmux to rt_gpio_pinmux

Add proper namespacing to the variable.
Signed-off-by: NJohn Crispin <blogic@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5171/

arch/mips/ralink/common.h

@@ -24,7 +24,7 @@ struct ralink_pinmux {
 	int uart_shift;
 	void (*wdt_reset)(void);
 };
-extern struct ralink_pinmux gpio_pinmux;
+extern struct ralink_pinmux rt_gpio_pinmux;
 
 struct ralink_soc_info {
 	unsigned char sys_type[RAMIPS_SYS_TYPE_LEN];

arch/mips/ralink/rt305x.c

@@ -114,7 +114,7 @@ void rt305x_wdt_reset(void)
 	rt_sysc_w32(t, SYSC_REG_SYSTEM_CONFIG);
 }
 
-struct ralink_pinmux gpio_pinmux = {
+struct ralink_pinmux rt_gpio_pinmux = {
 	.mode = mode_mux,
 	.uart = uart_mux,
 	.uart_shift = RT305X_GPIO_MODE_UART0_SHIFT,