ARM: KVM: Rename KVM_MEMORY_SLOTS -> KVM_USER_MEM_SLOTS

Commit bbacc0c1 (KVM: Rename KVM_MEMORY_SLOTS -> KVM_USER_MEM_SLOTS)
broke KVM/ARM by changing a global #define.

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/include/asm/kvm_host.h

@@ -26,7 +26,7 @@
 #include <asm/kvm_arch_timer.h>
 
 #define KVM_MAX_VCPUS CONFIG_KVM_ARM_MAX_VCPUS
-#define KVM_MEMORY_SLOTS 32
+#define KVM_USER_MEM_SLOTS 32
 #define KVM_PRIVATE_MEM_SLOTS 4
 #define KVM_COALESCED_MMIO_PAGE_OFFSET 1
 #define KVM_HAVE_ONE_REG