configs: fsl-layerscape: secure_boot: Enable setexpr command

setexpr command is used while running secure boot
(chain of trust with confidentiality) feature.

Enable CONFIG_CMD_SETEXPR to enable setexpr command.

Signed-off-by: Udit Agarwal <udit.agarwal@nxp.com>
Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
diff --git a/configs/ls1028aqds_tfa_SECURE_BOOT_defconfig b/configs/ls1028aqds_tfa_SECURE_BOOT_defconfig
index 427beb0..85c4210 100644
--- a/configs/ls1028aqds_tfa_SECURE_BOOT_defconfig
+++ b/configs/ls1028aqds_tfa_SECURE_BOOT_defconfig
@@ -74,5 +74,6 @@
 CONFIG_WDT=y
 CONFIG_WDT_SP805=y
 CONFIG_RSA=y
+CONFIG_CMD_SETEXPR=y
 CONFIG_OF_LIBFDT_OVERLAY=y
 CONFIG_EFI_LOADER_BOUNCE_BUFFER=y