powerpc: mpc86xx: move CONFIG_MPC86xx definition to CPU config.mk

Define CONFIG_MPC86xx in arch/powerpc/cpu/mpc86xx/config.mk
because all target boards with mpc86xx cpu define it.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

arch/powerpc/cpu/mpc86xx/config.mk

@@ -5,4 +5,4 @@
 # SPDX-License-Identifier:	GPL-2.0+
 #
 
-PLATFORM_CPPFLAGS += -mstring -maltivec -mabi=altivec -msoft-float
+PLATFORM_CPPFLAGS += -DCONFIG_MPC86xx -mstring -maltivec -mabi=altivec -msoft-float

include/configs/MPC8610HPCD.h

@@ -14,7 +14,6 @@
 #define __CONFIG_H
 
 /* High Level Configuration Options */
-#define CONFIG_MPC86xx		1	/* MPC86xx */
 #define CONFIG_MPC8610		1	/* MPC8610 specific */
 #define CONFIG_MPC8610HPCD	1	/* MPC8610HPCD board specific */
 #define CONFIG_LINUX_RESET_VEC	0x100	/* Reset vector used by Linux */

include/configs/MPC8641HPCN.h

@@ -17,7 +17,6 @@
 #define __CONFIG_H
 
 /* High Level Configuration Options */
-#define CONFIG_MPC86xx		1	/* MPC86xx */
 #define CONFIG_MPC8641		1	/* MPC8641 specific */
 #define CONFIG_MPC8641HPCN	1	/* MPC8641HPCN board specific */
 #define CONFIG_MP		1	/* support multiple processors */

include/configs/sbc8641d.h

@@ -21,7 +21,6 @@
 #define __CONFIG_H
 
 /* High Level Configuration Options */
-#define CONFIG_MPC86xx		1	/* MPC86xx */
 #define CONFIG_MPC8641		1	/* MPC8641 specific */
 #define CONFIG_SBC8641D		1	/* SBC8641D board specific */
 #define CONFIG_MP		1	/* support multiple processors */

include/configs/xpedite517x.h

@@ -14,7 +14,6 @@
 /*
  * High Level Configuration Options
  */
-#define CONFIG_MPC86xx		1	/* MPC86xx */
 #define CONFIG_MPC8641		1	/* MPC8641 specific */
 #define CONFIG_XPEDITE5140	1	/* MPC8641HPCN board specific */
 #define CONFIG_SYS_BOARD_NAME	"XPedite5170"