fix(intel): configuration status based on start request

Configuration status command now returns the result based on the last
config start command made to the runtime software. The status type can
be either:
- NO_REQUEST (default)
- RECONFIGURATION
- BITSTREAM_AUTH

Signed-off-by: Abdul Halim, Muhammad Hadi Asyrafi <muhammad.hadi.asyrafi.abdul.halim@intel.com>
Change-Id: I97406abe09b49b9d9a5b43e62fe09eb23c729bff
Signed-off-by: Jit Loon Lim <jit.loon.lim@intel.com>

plat/intel/soc/common/socfpga_sip_svc.c

@@ -95,7 +95,7 @@ static uint32_t intel_mailbox_fpga_config_isdone(uint32_t query_type)
 	else
 		ret = intel_mailbox_get_config_status(MBOX_RECONFIG_STATUS, true);
 
-	if (ret) {
+	if (ret != 0U) {
 		if (ret == MBOX_CFGSTAT_STATE_CONFIG)
 			return INTEL_SIP_SMC_STATUS_BUSY;
 		else