ppc4xx: Move gpio.h to ppc4xx-gpio.h since its ppc4xx specific

Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/arch/powerpc/cpu/ppc4xx/cpu_init.c b/arch/powerpc/cpu/ppc4xx/cpu_init.c
index 7a7954d..6456dc7 100644
--- a/arch/powerpc/cpu/ppc4xx/cpu_init.c
+++ b/arch/powerpc/cpu/ppc4xx/cpu_init.c
@@ -25,7 +25,7 @@
 #include <watchdog.h>
 #include <asm/ppc4xx-emac.h>
 #include <asm/processor.h>
-#include <asm/gpio.h>
+#include <asm/ppc4xx-gpio.h>
 #include <asm/ppc4xx.h>
 
 #if defined(CONFIG_405GP)  || defined(CONFIG_405EP)
diff --git a/arch/powerpc/cpu/ppc4xx/gpio.c b/arch/powerpc/cpu/ppc4xx/gpio.c
index c0d351a..1f9f93a 100644
--- a/arch/powerpc/cpu/ppc4xx/gpio.c
+++ b/arch/powerpc/cpu/ppc4xx/gpio.c
@@ -24,7 +24,7 @@
 #include <common.h>
 #include <asm/processor.h>
 #include <asm/io.h>
-#include <asm/gpio.h>
+#include <asm/ppc4xx-gpio.h>
 
 #if defined(CONFIG_SYS_4xx_GPIO_TABLE)
 gpio_param_s const gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CONFIG_SYS_4xx_GPIO_TABLE;
diff --git a/arch/powerpc/include/asm/gpio.h b/arch/powerpc/include/asm/ppc4xx-gpio.h
similarity index 100%
rename from arch/powerpc/include/asm/gpio.h
rename to arch/powerpc/include/asm/ppc4xx-gpio.h