arch: arm: feature consistency checks for Cortex M regs

This commit implements consistency checks for the core registers
in ARMv6-M, ARMv7-M, and ARMv8-M architectures, ensuring that
the user cannot accidentally select registers that are not
implemented by the selected Cortex-M processor.

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