LF-5453 firmware: EL-Enclave-clean-up info message

commit 0318f2c032a0cbf140a92f558d6a4b8f7d756deb from
https://source.codeaurora.org/external/imx/linux-imx

Changes done:
- clean-up the info messages.

Signed-off-by: Pankaj Gupta <pankaj.gupta@nxp.com>
Signed-off-by: Xiaolei Wang <xiaolei.wang@windriver.com>