arm64/Kconfig: introduce ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE

Enable arm64 platform to use the MHP_MEMMAP_ON_MEMORY feature.

Link: https://lkml.kernel.org/r/[email protected]
Signed-off-by: Oscar Salvador <[email protected]>
Reviewed-by: David Hildenbrand <[email protected]>
Cc: Anshuman Khandual <[email protected]>
Cc: Michal Hocko <[email protected]>
Cc: Pavel Tatashin <[email protected]>
Cc: Vlastimil Babka <[email protected]>
Signed-off-by: Andrew Morton <[email protected]>
Signed-off-by: Linus Torvalds <[email protected]>
(cherry picked from commit ca6e51d)

arch/arm64/Kconfig

@@ -325,6 +325,9 @@ config ARCH_MEMORY_REMOVE
 	   for more information. If you are unsure how to answer this
 	   question, answer N.
 
+config ARCH_MHP_MEMMAP_ON_MEMORY_ENABLE
+	def_bool y
+
 config SMP
 	def_bool y