powerpc: mpc8xx: Change CONFIG_8xx to CONFIG_MPC8xx

CONFIG_8xx doesn't mean much outside of arch/powerpc/
This patch renames it CONFIG_MPC8xx just like CONFIG_MPC85xx etc ...
It also renames 8xx_immap.h to immap_8xx.h to be consistent with
other file names.

Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
diff --git a/arch/powerpc/include/asm/cache.h b/arch/powerpc/include/asm/cache.h
index 0801d2c..445a366 100644
--- a/arch/powerpc/include/asm/cache.h
+++ b/arch/powerpc/include/asm/cache.h
@@ -7,7 +7,7 @@
 #include <asm/processor.h>
 
 /* bytes per L1 cache line */
-#if defined(CONFIG_8xx)
+#if defined(CONFIG_MPC8xx)
 #define	L1_CACHE_SHIFT	4
 #elif defined(CONFIG_PPC64BRIDGE)
 #define L1_CACHE_SHIFT	7
@@ -72,7 +72,7 @@
 #define L2CACHE_NONE	0x03	/* NONE */
 #define L2CACHE_PARITY  0x08    /* Mask for L2 Cache Parity Protected bit */
 
-#ifdef CONFIG_8xx
+#ifdef CONFIG_MPC8xx
 /* Cache control on the MPC8xx is provided through some additional
  * special purpose registers.
  */
@@ -139,6 +139,6 @@
 	mtspr(DC_ADR, val);
 }
 #endif
-#endif /* CONFIG_8xx */
+#endif /* CONFIG_MPC8xx */
 
 #endif
diff --git a/arch/powerpc/include/asm/global_data.h b/arch/powerpc/include/asm/global_data.h
index 35a02b6..016dc19 100644
--- a/arch/powerpc/include/asm/global_data.h
+++ b/arch/powerpc/include/asm/global_data.h
@@ -19,7 +19,7 @@
 	u8 sdhc_adapter;
 #endif
 #endif
-#if defined(CONFIG_8xx)
+#if defined(CONFIG_MPC8xx)
 	unsigned long brg_clk;
 #endif
 #if defined(CONFIG_CPM2)
diff --git a/arch/powerpc/include/asm/8xx_immap.h b/arch/powerpc/include/asm/immap_8xx.h
similarity index 100%
rename from arch/powerpc/include/asm/8xx_immap.h
rename to arch/powerpc/include/asm/immap_8xx.h
diff --git a/arch/powerpc/include/asm/iopin_8xx.h b/arch/powerpc/include/asm/iopin_8xx.h
index 15679a2..3b4e1b6 100644
--- a/arch/powerpc/include/asm/iopin_8xx.h
+++ b/arch/powerpc/include/asm/iopin_8xx.h
@@ -11,7 +11,7 @@
 #define _ASM_IOPIN_8XX_H_
 
 #include <linux/types.h>
-#include <asm/8xx_immap.h>
+#include <asm/immap_8xx.h>
 #include <asm/io.h>
 
 #ifdef __KERNEL__
diff --git a/arch/powerpc/include/asm/ppc.h b/arch/powerpc/include/asm/ppc.h
index c3f73ef..8e76c38 100644
--- a/arch/powerpc/include/asm/ppc.h
+++ b/arch/powerpc/include/asm/ppc.h
@@ -13,8 +13,8 @@
 
 #ifndef __ASSEMBLY__
 
-#if defined(CONFIG_8xx)
-#include <asm/8xx_immap.h>
+#if defined(CONFIG_MPC8xx)
+#include <asm/immap_8xx.h>
 #endif
 #ifdef CONFIG_MPC86xx
 #include <mpc86xx.h>