chore(xilinx): replace ATF with TFA

Since the Arm Trusted Firmware(ATF) has been renamed to Trusted
Firmware-A (TF-A), replace all the instances of ATF from code comments,
macros, variables and functions to TF-A.

Change-Id: Iab448d96158612a3effb4e49943f8d6cb43aaad5
Signed-off-by: Prasad Kummari <prasad.kummari@amd.com>
Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
diff --git a/plat/xilinx/common/include/plat_startup.h b/plat/xilinx/common/include/plat_startup.h
index ed3946f..d1c5303 100644
--- a/plat/xilinx/common/include/plat_startup.h
+++ b/plat/xilinx/common/include/plat_startup.h
@@ -26,18 +26,18 @@
 	uint64_t flags;
 };
 
-/* Structure for handoff parameters to ARM Trusted Firmware (ATF) */
-struct xfsbl_atf_handoff_params {
+/* Structure for handoff parameters to TrustedFirmware-A (TF-A) */
+struct xfsbl_tfa_handoff_params {
 	uint8_t magic[4];
 	uint32_t num_entries;
 	struct xfsbl_partition partition[FSBL_MAX_PARTITIONS];
 };
 
-#define ATF_HANDOFF_PARAMS_MAX_SIZE	sizeof(struct xfsbl_atf_handoff_params)
+#define TFA_HANDOFF_PARAMS_MAX_SIZE	sizeof(struct xfsbl_tfa_handoff_params)
 
-enum fsbl_handoff fsbl_atf_handover(entry_point_info_t *bl32,
+enum fsbl_handoff fsbl_tfa_handover(entry_point_info_t *bl32,
 					entry_point_info_t *bl33,
-					uint64_t atf_handoff_addr);
+					uint64_t tfa_handoff_addr);
 
 /* JEDEC Standard Manufacturer's Identification Code and Bank ID JEP106 */
 #define JEDEC_XILINX_MFID	U(0x49)