fix(intel): fix Mac verify update and finalize for return response data

To fix that the response data is returned when the source size ready
is still fit for response data size.

Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: Id8924137a5c33888e7042e9ab0e0e8c49b4a41ed
diff --git a/plat/intel/soc/common/sip/socfpga_sip_fcs.c b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
index eacc4dd..facee0f 100644
--- a/plat/intel/soc/common/sip/socfpga_sip_fcs.c
+++ b/plat/intel/soc/common/sip/socfpga_sip_fcs.c
@@ -979,7 +979,7 @@
 		return INTEL_SIP_SMC_STATUS_REJECTED;
 	}
 
-	if (data_size >= src_size) {
+	if (data_size > src_size) {
 		return INTEL_SIP_SMC_STATUS_REJECTED;
 	}