fix(memory share): log for invalid instruction access

Signed-off-by: Daniel Boulby <daniel.boulby@arm.com>
Change-Id: I0cdad74525af6091976c58baba814b69c78439d8
diff --git a/src/ffa_memory.c b/src/ffa_memory.c
index 028588d..cda841a 100644
--- a/src/ffa_memory.c
+++ b/src/ffa_memory.c
@@ -2137,7 +2137,7 @@
 				"for sending memory, expected %s.\n",
 				ffa_instruction_access_name(instruction_access),
 				ffa_instruction_access_name(
-					FFA_INSTRUCTION_ACCESS_RESERVED));
+					FFA_INSTRUCTION_ACCESS_NOT_SPECIFIED));
 			return ffa_error(FFA_INVALID_PARAMETERS);
 		}
 		if (share_func == FFA_MEM_SHARE_32 ||