MLK-19263 imx8m: hab: Add check target and failsafe sip call

imx_v2018.03 u-boot uses ROM's APIs: check_target and failsafe. So for iMX8M
platforms, we have to implement the sip calls and use ATF to call them when
u-boot running at non-secure world.

Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit 3f6f4d802aba3853eb6f7d96246213d6d8ba9db7)
2 files changed