arm: socfpga: Enable FIT signature with crc32 for SOC64 devices

Add signature with crc32 value for all images in binman node for FIT
image in device tree. And, enable FIT signature checking for Stratix10
and Agilex ATF and VAB sdmmc boot.

Signed-off-by: Siew Chin Lim <elly.siew.chin.lim@intel.com>
diff --git a/configs/socfpga_agilex_atf_defconfig b/configs/socfpga_agilex_atf_defconfig
index 7adda02..e5b7f4b 100644
--- a/configs/socfpga_agilex_atf_defconfig
+++ b/configs/socfpga_agilex_atf_defconfig
@@ -14,6 +14,10 @@
 CONFIG_SPL_FS_FAT=y
 CONFIG_DEFAULT_DEVICE_TREE="socfpga_agilex_socdk"
 CONFIG_FIT=y
+CONFIG_FIT_SIGNATURE=y
+CONFIG_FIT_SIGNATURE_MAX_SIZE=0x10000000
+CONFIG_SPL_FIT_SIGNATURE=y
+CONFIG_SPL_CRC32_SUPPORT=y
 CONFIG_SPL_LOAD_FIT=y
 CONFIG_SPL_LOAD_FIT_ADDRESS=0x02000000
 # CONFIG_USE_SPL_FIT_GENERATOR is not set