powerpc: MPC8555: Remove macro CONFIG_MPC8555

Replace CONFIG_MPC8555 with ARCH_MPC8555 in Kconfig and clean up existing
macros.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index f16e32e..4e38d23 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -85,7 +85,7 @@
 #define CONFIG_SYS_FSL_ERRATUM_I2C_A004447
 #define CONFIG_SYS_FSL_A004447_SVR_REV	0x00
 
-#elif defined(CONFIG_MPC8555)
+#elif defined(CONFIG_ARCH_MPC8555)
 #define CONFIG_MAX_CPUS			1
 #define CONFIG_SYS_FSL_NUM_LAWS		8
 #define CONFIG_SYS_FSL_DDRC_GEN1
diff --git a/arch/powerpc/include/asm/cpm_85xx.h b/arch/powerpc/include/asm/cpm_85xx.h
index e89e2f0..b46e20e 100644
--- a/arch/powerpc/include/asm/cpm_85xx.h
+++ b/arch/powerpc/include/asm/cpm_85xx.h
@@ -77,7 +77,7 @@
  */
 #define CPM_DATAONLY_BASE	((uint)128)
 #define CPM_DP_NOSPACE		((uint)0x7FFFFFFF)
-#if defined(CONFIG_ARCH_MPC8541) || defined(CONFIG_MPC8555)
+#if defined(CONFIG_ARCH_MPC8541) || defined(CONFIG_ARCH_MPC8555)
 #define CPM_FCC_SPECIAL_BASE	((uint)0x00009000)
 #define CPM_DATAONLY_SIZE	((uint)(8 * 1024) - CPM_DATAONLY_BASE)
 #else	/* MPC8540, MPC8560 */
diff --git a/arch/powerpc/include/asm/fsl_lbc.h b/arch/powerpc/include/asm/fsl_lbc.h
index c7805e9..ff9b2d9 100644
--- a/arch/powerpc/include/asm/fsl_lbc.h
+++ b/arch/powerpc/include/asm/fsl_lbc.h
@@ -326,7 +326,7 @@
 #define LCRR_CLKDIV			0x0000001F
 #define LCRR_CLKDIV_SHIFT		0
 #if defined(CONFIG_MPC83xx) || defined(CONFIG_ARCH_MPC8540) || \
-	defined(CONFIG_ARCH_MPC8541) || defined(CONFIG_MPC8555) || \
+	defined(CONFIG_ARCH_MPC8541) || defined(CONFIG_ARCH_MPC8555) || \
 	defined(CONFIG_MPC8560)
 #define LCRR_CLKDIV_2			0x00000002
 #define LCRR_CLKDIV_4			0x00000004
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index 4754aa8..d6e7f62 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -127,7 +127,7 @@
 #if defined(CONFIG_ARCH_MPC8540) || \
 	defined(CONFIG_ARCH_MPC8541) || \
 	defined(CONFIG_ARCH_MPC8548) || \
-	defined(CONFIG_MPC8555)
+	defined(CONFIG_ARCH_MPC8555)
 /* DUART Registers */
 typedef struct ccsr_duart {
 	u8	res1[1280];