powerpc: P1023: Remove macro CONFIG_P1023

Replace CONFIG_P1023 with ARCH_P1023 in Kconfig and clean up existing
macros.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig
index 4d9ffd3..0c498d8 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -114,6 +114,7 @@
 
 config TARGET_P1023RDB
 	bool "Support P1023RDB"
+	select ARCH_P1023
 
 config TARGET_P1_P2_RDB_PC
 	bool "Support p1_p2_rdb_pc"
@@ -243,6 +244,9 @@
 config ARCH_P1022
 	bool
 
+config ARCH_P1023
+	bool
+
 source "board/freescale/b4860qds/Kconfig"
 source "board/freescale/bsc9131rdb/Kconfig"
 source "board/freescale/bsc9132qds/Kconfig"
diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile
index 939f681..a663379 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -81,7 +81,7 @@
 obj-$(CONFIG_P1020)	+= p1021_serdes.o
 obj-$(CONFIG_P1021)	+= p1021_serdes.o
 obj-$(CONFIG_ARCH_P1022)	+= p1022_serdes.o
-obj-$(CONFIG_P1023)	+= p1023_serdes.o
+obj-$(CONFIG_ARCH_P1023)	+= p1023_serdes.o
 obj-$(CONFIG_P1024)	+= p1021_serdes.o
 obj-$(CONFIG_P1025)	+= p1021_serdes.o
 obj-$(CONFIG_P2010)	+= p2020_serdes.o
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index 471d27a..8ad503e 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -298,7 +298,7 @@
 #define CONFIG_SYS_FSL_ERRATUM_A005125
 #define CONFIG_SYS_FSL_ERRATUM_A004477
 
-#elif defined(CONFIG_P1023)
+#elif defined(CONFIG_ARCH_P1023)
 #define CONFIG_MAX_CPUS			2
 #define CONFIG_SYS_FSL_NUM_LAWS		12
 #define CONFIG_SYS_FSL_SEC_COMPAT	4
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index 0f22e98..2e9a343 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -2150,7 +2150,7 @@
 #define PORBMSR_ROMLOC_NOR	0xf
 	u32	porimpscr;	/* POR I/O impedance status & control */
 	u32	pordevsr;	/* POR I/O device status regsiter */
-#if defined(CONFIG_P1017) || defined(CONFIG_P1023)
+#if defined(CONFIG_P1017) || defined(CONFIG_ARCH_P1023)
 #define MPC85xx_PORDEVSR_SGMII1_DIS	0x10000000
 #define MPC85xx_PORDEVSR_SGMII2_DIS	0x08000000
 #define MPC85xx_PORDEVSR_TSEC1_PRTC	0x02000000
@@ -2165,7 +2165,7 @@
 #if defined(CONFIG_P1013) || defined(CONFIG_ARCH_P1022)
 #define MPC85xx_PORDEVSR_IO_SEL		0x007c0000
 #define MPC85xx_PORDEVSR_IO_SEL_SHIFT	18
-#elif defined(CONFIG_P1017) || defined(CONFIG_P1023)
+#elif defined(CONFIG_P1017) || defined(CONFIG_ARCH_P1023)
 #define MPC85xx_PORDEVSR_IO_SEL		0x00600000
 #define MPC85xx_PORDEVSR_IO_SEL_SHIFT	21
 #else
@@ -2268,7 +2268,7 @@
 #define MPC85xx_PMUXCR_CAN2_TDM			0x00000002
 #define MPC85xx_PMUXCR_CAN2_RES			0x00000003
 #endif
-#if defined(CONFIG_P1017) || defined(CONFIG_P1023)
+#if defined(CONFIG_P1017) || defined(CONFIG_ARCH_P1023)
 #define MPC85xx_PMUXCR_TSEC1_1		0x10000000
 #else
 #define MPC85xx_PMUXCR_SD_DATA		0x80000000