arm64: defconfig: Enable CRYPTO_DEV_FSL_CAAM

Both the i.MX8MQ and i.MX8M Mini support the CAAM driver, but it
is currently not enabled by default.

This patch enables this as a module.
Signed-off-by: Adam Ford <aford173@gmail.com>
Reviewed-by: Horia Geantă <horia.geanta@nxp.com>
Signed-off-by: Shawn Guo <shawnguo@kernel.org>

arch/arm64/configs/defconfig

@@ -845,6 +845,7 @@ CONFIG_SECURITY=y
 CONFIG_CRYPTO_ECHAINIV=y
 CONFIG_CRYPTO_ANSI_CPRNG=y
 CONFIG_CRYPTO_DEV_SUN8I_CE=m
+CONFIG_CRYPTO_DEV_FSL_CAAM=m
 CONFIG_CRYPTO_DEV_HISI_ZIP=m
 CONFIG_CMA_SIZE_MBYTES=32
 CONFIG_PRINTK_TIME=y