powerpc: P2041: Remove macro CONFIG_PPC_P2041

Replace CONFIG_PPC_P2041 with ARCH_P2041 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 51192fe..0ddb7c5 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -170,6 +170,7 @@
 
 config TARGET_P2041RDB
 	bool "Support P2041RDB"
+	select ARCH_P2041
 	select PHYS_64BIT
 
 config TARGET_QEMU_PPCE500
@@ -221,6 +222,7 @@
 
 config TARGET_KMP204X
 	bool "Support kmp204x"
+	select ARCH_P2041
 	select PHYS_64BIT
 
 config TARGET_XPEDITE520X
@@ -311,6 +313,9 @@
 config ARCH_P2020
 	bool
 
+config ARCH_P2041
+	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 14461e9..de35824 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -39,7 +39,7 @@
 obj-$(CONFIG_SYS_DPAA_QBMAN) += portals.o
 
 # various SoC specific assignments
-obj-$(CONFIG_PPC_P2041) += p2041_ids.o
+obj-$(CONFIG_ARCH_P2041) += p2041_ids.o
 obj-$(CONFIG_PPC_P3041) += p3041_ids.o
 obj-$(CONFIG_PPC_P4080) += p4080_ids.o
 obj-$(CONFIG_PPC_P5020) += p5020_ids.o
@@ -81,7 +81,7 @@
 obj-$(CONFIG_ARCH_P1024)	+= p1021_serdes.o
 obj-$(CONFIG_ARCH_P1025)	+= p1021_serdes.o
 obj-$(CONFIG_ARCH_P2020)	+= p2020_serdes.o
-obj-$(CONFIG_PPC_P2041) += p2041_serdes.o
+obj-$(CONFIG_ARCH_P2041) += p2041_serdes.o
 obj-$(CONFIG_PPC_P3041) += p3041_serdes.o
 obj-$(CONFIG_PPC_P4080) += p4080_serdes.o
 obj-$(CONFIG_PPC_P5020) += p5020_serdes.o
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
index 3b06ae4..1aba6a8 100644
--- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
+++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
@@ -26,7 +26,7 @@
 	void __iomem *dcsr = (void *)CONFIG_SYS_DCSRBAR + 0xb0000;
 	unsigned int i;
 
-#if defined(CONFIG_PPC_P2041) || defined(CONFIG_PPC_P3041)
+#if defined(CONFIG_ARCH_P2041) || defined(CONFIG_PPC_P3041)
 	static const uint8_t offsets[] = {
 		0x50, 0x54, 0x58, 0x90, 0x94, 0x98
 	};
@@ -45,7 +45,7 @@
 		}
 	}
 
-#if defined(CONFIG_PPC_P2041) || defined(CONFIG_PPC_P3041)
+#if defined(CONFIG_ARCH_P2041) || defined(CONFIG_PPC_P3041)
 	x108 = 0x12;
 #endif