MLK-18591-6 android: iot: Add boot Trusty OS codes for i.MX SoCs

MLK-18591-6 android: iot: Add boot Trusty OS codes for i.MX SoCs

Use trusty_os_init to load Trusty OS from CONFIG_TRUSTY_OS_ENTRY
before u-boot ready.

Add Trusty OS SOC level codes and u-boot/SPL common codes.

Signed-off-by: Ye Li <ye.li@nxp.com>
Signed-off-by: Haoran.Wang <elven.wang@nxp.com>
(cherry picked from commit 1ae9ecc73f5001b8bd743011c06a7d07861be64e)
(cherry picked from commit 6fa4f4a42fd90631f8dc8303b17f600c085d8595)
(cherry picked from commit d5046e6f021f3d55c58e8b46b13ac3e8e1761755)