powerpc: mpc512x: remove redundant CONFIG_MPC512X definition

We do not have to define CONFIG_MPC512X in board config headers
because it is defined in arch/powerpc/cpu/mpc512x/config.mk.
Signed-off-by: NMasahiro Yamada <yamada.m@jp.panasonic.com>

include/configs/ac14xx.h

@@ -27,7 +27,6 @@
  * High Level Configuration Options
  */
 #define CONFIG_E300		1	/* E300 Family */
-#define CONFIG_MPC512X		1	/* MPC512X family */
 
 #define CONFIG_SYS_TEXT_BASE	0xFFF00000
 

include/configs/aria.h

@@ -31,7 +31,6 @@
  * High Level Configuration Options
  */
 #define CONFIG_E300		1	/* E300 Family */
-#define CONFIG_MPC512X		1	/* MPC512X family */
 #define CONFIG_FSL_DIU_FB	1	/* FSL DIU */
 
 #define	CONFIG_SYS_TEXT_BASE	0xFFF00000

include/configs/mecp5123.h

@@ -29,7 +29,6 @@
  * High Level Configuration Options
  */
 #define CONFIG_E300		1	/* E300 Family */
-#define CONFIG_MPC512X		1	/* MPC512X family */
 
 #define	CONFIG_SYS_TEXT_BASE	0xFFF00000
 

include/configs/mpc5121ads.h

@@ -29,7 +29,6 @@
  * High Level Configuration Options
  */
 #define CONFIG_E300		1	/* E300 Family */
-#define CONFIG_MPC512X		1	/* MPC512X family */
 
 #define	CONFIG_SYS_TEXT_BASE	0xFFF00000
 

include/configs/pdm360ng.h

@@ -30,7 +30,6 @@
  * High Level Configuration Options
  */
 #define CONFIG_E300		1	/* E300 Family */
-#define CONFIG_MPC512X		1	/* MPC512X family */
 #define CONFIG_FSL_DIU_FB	1	/* FSL DIU */
 
 #define	CONFIG_SYS_TEXT_BASE	0xF0000000