feat(intel): extend attestation service to Agilex family

This patch extends the functionality of FPGA Crypto Services (FCS) to
support FPGA Attestation feature in Agilex device.

Signed-off-by: Boon Khai Ng <boon.khai.ng@intel.com>
Signed-off-by: Sieu Mun Tang <sieu.mun.tang@intel.com>
Change-Id: I3c2e29d2fa04d394e9f65d8143d7f4e57389cd02
diff --git a/plat/intel/soc/common/include/socfpga_mailbox.h b/plat/intel/soc/common/include/socfpga_mailbox.h
index fcf5fc2..21cb159 100644
--- a/plat/intel/soc/common/include/socfpga_mailbox.h
+++ b/plat/intel/soc/common/include/socfpga_mailbox.h
@@ -80,6 +80,8 @@
 #define MBOX_PSG_SIGMA_TEARDOWN		0xD5
 
 /* Attestation Commands */
+#define MBOX_CREATE_CERT_ON_RELOAD	0x180
+#define MBOX_GET_ATTESTATION_CERT	0x181
 #define MBOX_ATTESTATION_SUBKEY		0x182
 #define MBOX_GET_MEASUREMENT		0x183