trusted-firmware-m: include interface sources to the build

Instruct CMake to include interface libraries when
building a Non-Secure ARM target with TF-M. In
particular, include the reboot.c source file, which
overrides the sys_arch_reboot implementation.

Signed-off-by: Ioannis Glaropoulos <Ioannis.Glaropoulos@nordicsemi.no>
1 file changed