kern: implement SvcSendSyncRequest(WithUserBuffer)

libraries/libmesosphere/include/mesosphere/arch/arm64/kern_k_process_page_table.hpp

@@ -96,6 +96,10 @@ namespace ams::kern::arch::arm64 {
                 return this->page_table.MakeAndOpenPageGroup(out, address, num_pages, state_mask, state, perm_mask, perm, attr_mask, attr);
             }
 
+            Result LockForIpcUserBuffer(KPhysicalAddress *out, KProcessAddress address, size_t size) {
+                return this->page_table.LockForIpcUserBuffer(out, address, size);
+            }
+
             Result UnlockForIpcUserBuffer(KProcessAddress address, size_t size) {
                 return this->page_table.UnlockForIpcUserBuffer(address, size);
             }