* arm-tdep.c: Include "remote.h" and "features/arm-with-m-fpa-layout.c".

	* arm-tdep.c: Include "remote.h" and "features/arm-with-m-fpa-layout.c".
	(arm_register_g_packet_guesses): New function.
	(arm_gdbarch_init): Don't force a target description with
	registers when the executable is detected as M-profile.  Instead
	set gdbarch->tdep->is_m.  Register `g' packet guesses.
	(_initialize_arm_tdep): Initialize the new target description.
	* features/arm-with-m-fpa-layout.xml: New description.
	* features/arm-with-m-fpa-layout.c: New, generated.