powerpc: MPC8548: Move CONFIG_MPC8548 to Kconfig option

Replace CONFIG_MPC8548 with ARCH_MPC8548 in Kconfig.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig
index 9bcbda0..530c232 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -10,6 +10,7 @@
 
 config TARGET_SBC8548
 	bool "Support sbc8548"
+	select ARCH_MPC8548
 
 config TARGET_SOCRATES
 	bool "Support socrates"
@@ -63,6 +64,7 @@
 
 config TARGET_MPC8548CDS
 	bool "Support MPC8548CDS"
+	select ARCH_MPC8548
 
 config TARGET_MPC8555CDS
 	bool "Support MPC8555CDS"
@@ -156,6 +158,7 @@
 
 config TARGET_XPEDITE520X
 	bool "Support xpedite520x"
+	select ARCH_MPC8548
 
 config TARGET_XPEDITE537X
 	bool "Support xpedite537x"
@@ -172,6 +175,9 @@
 
 endchoice
 
+config ARCH_MPC8548
+	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 f4c4fe2..1383454 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -68,7 +68,7 @@
 obj-$(CONFIG_PPC_C29X)	+= c29x_serdes.o
 obj-$(CONFIG_MPC8536) += mpc8536_serdes.o
 obj-$(CONFIG_MPC8544) += mpc8544_serdes.o
-obj-$(CONFIG_MPC8548) += mpc8548_serdes.o
+obj-$(CONFIG_ARCH_MPC8548) += mpc8548_serdes.o
 obj-$(CONFIG_MPC8568) += mpc8568_serdes.o
 obj-$(CONFIG_MPC8569) += mpc8569_serdes.o
 obj-$(CONFIG_MPC8572) += mpc8572_serdes.o
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c
index 53b3729..dfea750 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
@@ -442,7 +442,7 @@
 #if defined(CONFIG_SECURE_BOOT) && !defined(CONFIG_SYS_RAMBOOT)
 	struct law_entry law;
 #endif
-#ifdef CONFIG_MPC8548
+#ifdef CONFIG_ARCH_MPC8548
 	ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
 	uint svr = get_svr();
 
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index 6d845e8..1b4844f 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -66,7 +66,7 @@
 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000
 #define CONFIG_SYS_FSL_ERRATUM_A005125
 
-#elif defined(CONFIG_MPC8548)
+#elif defined(CONFIG_ARCH_MPC8548)
 #define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		10
 #define CONFIG_SYS_FSL_DDRC_GEN2
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index 76ea00b..64c4435 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -124,10 +124,10 @@
 	u8	res[4096 - 1 * sizeof(struct fsl_i2c_base)];
 } ccsr_i2c_t;
 
-#if defined(CONFIG_MPC8540) \
-	|| defined(CONFIG_MPC8541) \
-	|| defined(CONFIG_MPC8548) \
-	|| defined(CONFIG_MPC8555)
+#if defined(CONFIG_MPC8540) || \
+	defined(CONFIG_MPC8541) || \
+	defined(CONFIG_ARCH_MPC8548) || \
+	defined(CONFIG_MPC8555)
 /* DUART Registers */
 typedef struct ccsr_duart {
 	u8	res1[1280];