configs: verdin-imx8mp: enable caam

This change enables Cryptographic Accelerator and Assurance Module.

Signed-off-by: Andrejs Cainikovs <andrejs.cainikovs@toradex.com>
diff --git a/configs/verdin-imx8mp_defconfig b/configs/verdin-imx8mp_defconfig
index c476b73..932baa5 100644
--- a/configs/verdin-imx8mp_defconfig
+++ b/configs/verdin-imx8mp_defconfig
@@ -167,3 +167,4 @@
 CONFIG_IMX_WATCHDOG=y
 CONFIG_HEXDUMP=y
 CONFIG_OF_LIBFDT_OVERLAY=y
+CONFIG_FSL_CAAM=y