powerpc: T2080, T2081: Remove macro CONFIG_PPC_T2080 and CONFIG_PPC_T2081

Use CONFIG_ARCH_T2080 and CONFIG_ARCH_T2081 instead.

Signed-off-by: York Sun <york.sun@nxp.com>
diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile
index 375a905..f74018b 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -55,8 +55,8 @@
 obj-$(CONFIG_PPC_T1022)	+= t1040_ids.o
 obj-$(CONFIG_ARCH_T1023) += t1024_ids.o
 obj-$(CONFIG_ARCH_T1024) += t1024_ids.o
-obj-$(CONFIG_PPC_T2080) += t2080_ids.o
-obj-$(CONFIG_PPC_T2081) += t2080_ids.o
+obj-$(CONFIG_ARCH_T2080) += t2080_ids.o
+obj-$(CONFIG_ARCH_T2081) += t2080_ids.o
 
 
 obj-$(CONFIG_QE)	+= qe_io.o
@@ -98,8 +98,8 @@
 obj-$(CONFIG_PPC_T1022)	+= t1040_serdes.o
 obj-$(CONFIG_ARCH_T1023) += t1024_serdes.o
 obj-$(CONFIG_ARCH_T1024) += t1024_serdes.o
-obj-$(CONFIG_PPC_T2080) += t2080_serdes.o
-obj-$(CONFIG_PPC_T2081) += t2080_serdes.o
+obj-$(CONFIG_ARCH_T2080) += t2080_serdes.o
+obj-$(CONFIG_ARCH_T2081) += t2080_serdes.o
 
 obj-y	+= cpu.o
 obj-y	+= cpu_init.o