powerpc/kconfig: remove PPC_STD_MMU_32 and PPC_STD_MMU

PPC_STD_MMU_32 and PPC_STD_MMU are not used anymore. Remove them.
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/Kconfig

@@ -1096,7 +1096,7 @@ config PHYSICAL_START_BOOL
 
 config PHYSICAL_START
 	hex "Physical address where the kernel is loaded" if PHYSICAL_START_BOOL
-	default "0x02000000" if PPC_STD_MMU && CRASH_DUMP && !NONSTATIC_KERNEL
+	default "0x02000000" if PPC_BOOK3S && CRASH_DUMP && !NONSTATIC_KERNEL
 	default "0x00000000"
 
 config PHYSICAL_ALIGN

arch/powerpc/platforms/Kconfig.cputype

@@ -312,14 +312,6 @@ config SPE
 
 	  If in doubt, say Y here.
 
-config PPC_STD_MMU
-	def_bool y
-	depends on PPC_BOOK3S
-
-config PPC_STD_MMU_32
-	def_bool y
-	depends on PPC_STD_MMU && PPC32
-
 config ARCH_ENABLE_SPLIT_PMD_PTLOCK
 	def_bool y
 	depends on PPC_BOOK3S_64
@@ -354,7 +346,7 @@ config ARCH_ENABLE_HUGEPAGE_MIGRATION
 
 config PPC_MMU_NOHASH
 	def_bool y
-	depends on !PPC_STD_MMU
+	depends on !PPC_BOOK3S
 
 config PPC_BOOK3E_MMU
 	def_bool y