powerpc: MPC8544: Move CONFIG_MPC8544 to Kconfig option

Replace CONFIG_MPC8544 with ARCH_MPC8544 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 530c232..5ea02b5 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -14,6 +14,7 @@
 
 config TARGET_SOCRATES
 	bool "Support socrates"
+	select ARCH_MPC8544
 
 config TARGET_B4860QDS
 	bool "Support B4860QDS"
@@ -61,6 +62,7 @@
 
 config TARGET_MPC8544DS
 	bool "Support MPC8544DS"
+	select ARCH_MPC8544
 
 config TARGET_MPC8548CDS
 	bool "Support MPC8548CDS"
@@ -175,6 +177,9 @@
 
 endchoice
 
+config ARCH_MPC8544
+	bool
+
 config ARCH_MPC8548
 	bool
 
diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile
index 1383454..744c781 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -67,7 +67,7 @@
 # SoC specific SERDES support
 obj-$(CONFIG_PPC_C29X)	+= c29x_serdes.o
 obj-$(CONFIG_MPC8536) += mpc8536_serdes.o
-obj-$(CONFIG_MPC8544) += mpc8544_serdes.o
+obj-$(CONFIG_ARCH_MPC8544) += mpc8544_serdes.o
 obj-$(CONFIG_ARCH_MPC8548) += mpc8548_serdes.o
 obj-$(CONFIG_MPC8568) += mpc8568_serdes.o
 obj-$(CONFIG_MPC8569) += mpc8569_serdes.o
diff --git a/arch/powerpc/cpu/mpc85xx/speed.c b/arch/powerpc/cpu/mpc85xx/speed.c
index e732969..be03e01 100644
--- a/arch/powerpc/cpu/mpc85xx/speed.c
+++ b/arch/powerpc/cpu/mpc85xx/speed.c
@@ -652,7 +652,7 @@
 int get_clocks (void)
 {
 	sys_info_t sys_info;
-#ifdef CONFIG_MPC8544
+#ifdef CONFIG_ARCH_MPC8544
 	volatile ccsr_gur_t *gur = (void *) CONFIG_SYS_MPC85xx_GUTS_ADDR;
 #endif
 #if defined(CONFIG_CPM2)
@@ -685,7 +685,7 @@
 	defined(CONFIG_MPC8560) || defined(CONFIG_MPC8555) || \
 	defined(CONFIG_P1022)
 	gd->arch.i2c1_clk = sys_info.freq_systembus;
-#elif defined(CONFIG_MPC8544)
+#elif defined(CONFIG_ARCH_MPC8544)
 	/*
 	 * On the 8544, the I2C clock is the same as the SEC clock.  This can be
 	 * either CCB/2 or CCB/3, depending on the value of cfg_sec_freq. See
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index 1b4844f..5c97e69 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -57,7 +57,7 @@
 #define CONFIG_SYS_FSL_SEC_COMPAT	2
 #define CONFIG_SYS_CCSRBAR_DEFAULT	0xff700000
 
-#elif defined(CONFIG_MPC8544)
+#elif defined(CONFIG_ARCH_MPC8544)
 #define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		10
 #define CONFIG_SYS_FSL_DDRC_GEN2