powerpc: mpc8260: consolidate CONFIG_MPC8260 and CONFIG_8260

Before this commit, CONFIG_MPC8260 and CONFIG_8260
were used mixed-up.

All boards with mpc8260 cpu defined both of them:
  - CONFIG_MPC8260 was defined in board config headers
      and include/common.h
  - CONFIG_8260 was defined arch/powerpc/cpu/mpc8260/config.mk

We do not need to have both of them.
This commit keeps only CONFIG_MPC8260.

This commit does:
 - Delete CONFIG_8260 and CONFIG_MPC8260 definition
   in config headers and include/common.h
 - Rename CONFIG_8260 to CONFIG_MPC8260
    in arch/powerpc/cpu/mpc8260/config.mk.
 - Rename #ifdef CONFIG_8260 to #ifdef CONFIG_MPC8260

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
Cc: Wolfgang Denk <wd@denx.de>
diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c
index 13d761c..f86c6f3 100644
--- a/arch/powerpc/lib/board.c
+++ b/arch/powerpc/lib/board.c
@@ -277,10 +277,10 @@
 	serial_init,
 	console_init_f,
 	display_options,
-#if defined(CONFIG_8260)
+#if defined(CONFIG_MPC8260)
 	prt_8260_rsr,
 	prt_8260_clks,
-#endif /* CONFIG_8260 */
+#endif /* CONFIG_MPC8260 */
 #if defined(CONFIG_MPC83xx)
 	prt_83xx_rsr,
 #endif
@@ -504,7 +504,7 @@
 	bd->bi_sramsize = CONFIG_SYS_SRAM_SIZE;		/* size  of SRAM */
 #endif
 
-#if defined(CONFIG_8xx) || defined(CONFIG_8260) || defined(CONFIG_5xx) || \
+#if defined(CONFIG_8xx) || defined(CONFIG_MPC8260) || defined(CONFIG_5xx) || \
     defined(CONFIG_E500) || defined(CONFIG_MPC86xx)
 	bd->bi_immr_base = CONFIG_SYS_IMMR;	/* base  of IMMR register     */
 #endif
diff --git a/arch/powerpc/lib/kgdb.c b/arch/powerpc/lib/kgdb.c
index 19a56db..01a7708 100644
--- a/arch/powerpc/lib/kgdb.c
+++ b/arch/powerpc/lib/kgdb.c
@@ -159,7 +159,7 @@
 
 #define SPACE_REQUIRED	((32*4)+(32*8)+(6*4))
 
-#ifdef CONFIG_8260
+#ifdef CONFIG_MPC8260
 /* store floating double indexed */
 #define STFDI(n,p)	__asm__ __volatile__ ("stfd " #n ",%0" : "=o"(p[2*n]))
 /* store floating double multiple */
@@ -190,7 +190,7 @@
 		*ptr++ = regs->gpr[i];
 
 	/* Floating Point Regs */
-#ifdef CONFIG_8260
+#ifdef CONFIG_MPC8260
 	STFDM(ptr);
 	ptr += 32*2;
 #else
@@ -213,7 +213,7 @@
 
 /* set the value of the CPU registers */
 
-#ifdef CONFIG_8260
+#ifdef CONFIG_MPC8260
 /* load floating double */
 #define LFD(n,v)	__asm__ __volatile__ ("lfd " #n ",%0" :: "o"(v))
 /* load floating double indexed */
@@ -252,7 +252,7 @@
 		regs->gpr[regno] = *ptr;
 	else switch (regno) {
 
-#ifdef CONFIG_8260
+#ifdef CONFIG_MPC8260
 #define caseF(n) \
 	case (n) + 32:	LFD(n, *ptr);		break;
 
@@ -298,7 +298,7 @@
 		regs->gpr[i] = *ptr++;
 
 	/* Floating Point Regs */
-#ifdef CONFIG_8260
+#ifdef CONFIG_MPC8260
 	LFDM(ptr);
 #endif
 	ptr += 32*2;