versal2: build TF-A with SCMI server package

Point TF-A's CUSTOM_PKG_PATH at a new SCMI_PATH (scmi-server tree)
so bl31 links against the external SCMI server.

Signed-off-by: Amey Avinash Raghatate <ameyavinash.raghatate@amd.com>
Signed-off-by: Akshay Belsare <akshay.belsare@amd.com>
Acked-by: Jens Wiklander <jens.wiklander@oss.qualcomm.com>

Author: amey-raghatate

versal2.mk

@@ -42,6 +42,7 @@ OPTEE_OS_COMMON_EXTRA_FLAGS ?= CFG_PKCS11_TA=y CFG_USER_TA_TARGET_pkcs11=ta_arm6
 TF_A_PATH	?= $(ROOT)/arm-trusted-firmware
 U-BOOT_PATH	?= $(ROOT)/u-boot-xlnx
 LINUX_PATH	?= $(ROOT)/linux-xlnx
+SCMI_PATH	?= $(ROOT)/scmi-server
 
 include common.mk
 
@@ -75,7 +76,8 @@ TF_A_EXPORTS = CROSS_COMPILE="$(CCACHE)$(AARCH64_CROSS_COMPILE)" \
 	       CC="$(CCACHE)$(AARCH64_CROSS_COMPILE)gcc" \
 	       LD="$(CCACHE)$(AARCH64_CROSS_COMPILE)ld"
 
-TF_A_FLAGS = PLAT=versal2 CONSOLE=pl011 RESET_TO_BL31=1 SPD=opteed DEBUG=0 \
+TF_A_FLAGS = PLAT=versal2 CONSOLE=pl011 RESET_TO_BL31=1 SPD=opteed \
+	     CUSTOM_PKG_PATH="$(SCMI_PATH)" DEBUG=0 \
 	     MEM_BASE=0x1600000 MEM_SIZE=0x200000 \
 	     XILINX_OF_BOARD_DTB_ADDR=0x1000000 \
 	     BL32_MEM_BASE=0x1800000 BL32_MEM_SIZE=0x8000000