tree 8cca993fb0bc8505033555ec3edff9edd37b47f9
parent 53525bb9c5cc096a000dbb41ed4cb2e7037dccd8
author Chad Karaginides <quic_chadk@quicinc.com> 1685111914 -0700
committer Anas Nashif <anas.nashif@intel.com> 1685123510 -0400

arch: arm64: SCR_EL3 EEL2 Enablement

For secure EL2 to be entered the EEL2 bit in SCR_EL3 must be set.  This
should only be set if Zephyr has not been configured for NS mode only,
if the device is currently in secure EL3, and if secure EL2 is supported
via the SEL2 bit in AA64PFRO_EL1.  Added logic to enable EEL2 if all
conditions are met.

Signed-off-by: Chad Karaginides <quic_chadk@quicinc.com>