feat(intel): support ECDSA Get Public Key

To support the ECDSA feature and send the command
as a request to get the public key

Signed-off-by: Boon Khai Ng <boon.khai.ng@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I9d7bb5b6ab8ef7d4f3ceb21ff0068baf3175a1ac
diff --git a/plat/intel/soc/common/socfpga_sip_svc.c b/plat/intel/soc/common/socfpga_sip_svc.c
index 824ee38..d6196a4 100644
--- a/plat/intel/soc/common/socfpga_sip_svc.c
+++ b/plat/intel/soc/common/socfpga_sip_svc.c
@@ -911,6 +911,17 @@
 					 x4, x5, (uint32_t *) &x6, x7, &mbox_error);
 		SMC_RET4(handle, status, mbox_error, x5, x6);
 
+	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_INIT:
+		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
+		status = intel_fcs_ecdsa_get_pubkey_init(x1, x2, x3,
+					x4, x5, &mbox_error);
+		SMC_RET2(handle, status, mbox_error);
+
+	case INTEL_SIP_SMC_FCS_ECDSA_GET_PUBKEY_FINALIZE:
+		status = intel_fcs_ecdsa_get_pubkey_finalize(x1, x2, x3,
+					(uint32_t *) &x4, &mbox_error);
+		SMC_RET4(handle, status, mbox_error, x3, x4);
+
 	case INTEL_SIP_SMC_FCS_AES_CRYPT_INIT:
 		x5 = SMC_GET_GP(handle, CTX_GPREG_X5);
 		status = intel_fcs_aes_crypt_init(x1, x2, x3, x4, x5,