Return SPCI_MEM_* rather than SPCI_MSG_SEND for push memory sharing.

Bug: 132420445
Change-Id: I80cb9832f90899eeb57af2cf209f0fa5f2fc1ca9
diff --git a/inc/hf/api.h b/inc/hf/api.h
index dacc889..f8de195 100644
--- a/inc/hf/api.h
+++ b/inc/hf/api.h
@@ -60,7 +60,7 @@
 struct spci_value api_spci_features(uint32_t function_id);
 struct spci_value api_spci_run(spci_vm_id_t vm_id, spci_vcpu_index_t vcpu_idx,
 			       const struct vcpu *current, struct vcpu **next);
-struct spci_value api_spci_mem_send(uint32_t share_type, ipaddr_t address,
+struct spci_value api_spci_mem_send(uint32_t share_func, ipaddr_t address,
 				    uint32_t page_count,
 				    uint32_t remaining_fragment_count,
 				    uint32_t length, uint32_t handle,