powerpc: mpc85xx: Remove variant SoCs T1020/T1022/T1013/T1014

Remove these SoCs from Kconfig because they don't have individual
configuration. 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 3f94f5c..7b000d7 100644
--- a/arch/powerpc/cpu/mpc85xx/Kconfig
+++ b/arch/powerpc/cpu/mpc85xx/Kconfig
@@ -656,8 +656,6 @@
 		     ARCH_P1025 || \
 		     ARCH_P2020 || \
 		     ARCH_P5020 || \
-		     ARCH_T1020 || \
-		     ARCH_T1022 || \
 		     ARCH_T1023 || \
 		     ARCH_T1024
 	default 1
@@ -699,10 +697,6 @@
 				ARCH_P4080	|| \
 				ARCH_P5020	|| \
 				ARCH_P5040	|| \
-				ARCH_T1013	|| \
-				ARCH_T1014	|| \
-				ARCH_T1020	|| \
-				ARCH_T1022	|| \
 				ARCH_T1023	|| \
 				ARCH_T1024	|| \
 				ARCH_T1040	|| \
@@ -732,11 +726,7 @@
 			ARCH_T2081	|| \
 			ARCH_T4160	|| \
 			ARCH_T4240
-	default 16 if	ARCH_T1013	|| \
-			ARCH_T1014	|| \
-			ARCH_T1020	|| \
-			ARCH_T1022	|| \
-			ARCH_T1023	|| \
+	default 16 if	ARCH_T1023	|| \
 			ARCH_T1024	|| \
 			ARCH_T1040	|| \
 			ARCH_T1042