ARM: KVM: fix kvm_arch_{prepare,commit}_memory_region

Commit f82a8cfe (KVM: struct kvm_memory_slot.user_alloc -> bool)
broke the ARM KVM port by changing the prototype of two global
functions.

Apply the same change to fix the compilation breakage.
Signed-off-by: Marc Zyngier <marc.zyngier@arm.com>
Signed-off-by: Gleb Natapov <gleb@redhat.com>

arch/arm/kvm/arm.c

@@ -232,7 +232,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
 				   struct kvm_memory_slot *memslot,
 				   struct kvm_memory_slot old,
 				   struct kvm_userspace_memory_region *mem,
-				   int user_alloc)
+				   bool user_alloc)
 {
 	return 0;
 }
@@ -240,7 +240,7 @@ int kvm_arch_prepare_memory_region(struct kvm *kvm,
 void kvm_arch_commit_memory_region(struct kvm *kvm,
 				   struct kvm_userspace_memory_region *mem,
 				   struct kvm_memory_slot old,
-				   int user_alloc)
+				   bool user_alloc)
 {
 }