powerpc: P4080: Remove macro CONFIG_PPC_P4080

Replace CONFIG_PPC_P4080 with ARCH_P4080 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 8f0a250..011aec6 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -378,7 +378,7 @@
 #define CONFIG_SYS_FSL_ERRATUM_A006261
 #define CONFIG_SYS_FSL_A004447_SVR_REV	0x20
 
-#elif defined(CONFIG_PPC_P4080) /* also supports P4040 */
+#elif defined(CONFIG_ARCH_P4080) /* also supports P4040 */
 #define CONFIG_SYS_FSL_QORIQ_CHASSIS1
 #define CONFIG_FSL_CORENET		/* Freescale CoreNet platform */
 #define CONFIG_MAX_CPUS			8
diff --git a/arch/powerpc/include/asm/fsl_secure_boot.h b/arch/powerpc/include/asm/fsl_secure_boot.h
index b75ae11..38b666c 100644
--- a/arch/powerpc/include/asm/fsl_secure_boot.h
+++ b/arch/powerpc/include/asm/fsl_secure_boot.h
@@ -59,7 +59,7 @@
 #endif
 
 #if defined(CONFIG_ARCH_P3041)	||	\
-	defined(CONFIG_PPC_P4080) ||	\
+	defined(CONFIG_ARCH_P4080) ||	\
 	defined(CONFIG_PPC_P5020) ||	\
 	defined(CONFIG_PPC_P5040) ||	\
 	defined(CONFIG_ARCH_P2041)
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h
index cdfdb88..83f8b8f 100644
--- a/arch/powerpc/include/asm/immap_85xx.h
+++ b/arch/powerpc/include/asm/immap_85xx.h
@@ -1848,7 +1848,7 @@
 #define FSL_CORENET_RCWSR8_HOST_AGT_B1		0x00e00000
 #define FSL_CORENET_RCWSR8_HOST_AGT_B2		0x00100000
 #define FSL_CORENET_RCWSR11_EC1			0x00c00000 /* bits 360..361 */
-#ifdef CONFIG_PPC_P4080
+#ifdef CONFIG_ARCH_P4080
 #define FSL_CORENET_RCWSR11_EC1_FM1_DTSEC1		0x00000000
 #define FSL_CORENET_RCWSR11_EC1_FM1_USB1		0x00800000
 #define FSL_CORENET_RCWSR11_EC2			0x001c0000 /* bits 363..365 */