feat(intel): support ECDSA SHA-2 Data Signing

This command support ECC based signing on a blob. Supported ECC algorithm
are NISP P-256, NISP P-384, Brainpool 256 and Brainpool 384.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
Signed-off-by: Boon Khai Ng <boon.khai.ng@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I82f95ddafa6b62f8cd882fce9a3e63e469c85067
diff --git a/plat/intel/soc/common/include/socfpga_sip_svc.h b/plat/intel/soc/common/include/socfpga_sip_svc.h
index ff13af9..14be92b 100644
--- a/plat/intel/soc/common/include/socfpga_sip_svc.h
+++ b/plat/intel/soc/common/include/socfpga_sip_svc.h
@@ -100,6 +100,8 @@
 #define INTEL_SIP_SMC_FCS_GET_DIGEST_FINALIZE		0xC2000079
 #define INTEL_SIP_SMC_FCS_MAC_VERIFY_INIT		0xC200007A
 #define INTEL_SIP_SMC_FCS_MAC_VERIFY_FINALIZE		0xC200007C
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_INIT	0xC2000080
+#define INTEL_SIP_SMC_FCS_ECDSA_SHA2_DATA_SIGN_FINALIZE	0xC2000082
 #define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT		0xC2000089
 #define INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE	0xC200008B