* gas/arm/arch7.s: Fix typo basepri_max should be basepri_mask.

	* gas/arm/arch7.s: Fix typo basepri_max should be basepri_mask.
	* gas/arm/mrs-msr-thumb-v7e-m.s: Likewise.
	* gas/arm/arch7.d: Update expected disassembly.
	* gas/arm/attr-march-armv7.d: Remove Microcontroller tag.
	* gas/arm/blx-bad.d: Only run for ELF based targets.
	* gas/arm/mrs-msr-thumb-v6t2.d: Likewise.
	* gas/arm/vldm-arm.d: Likewise.
	* gas/arm/mrs-msr-thumb-v7-m.d: Likewise.
	Remove qualifiers from PSR and IAPSR regsiter names.
	* gas/arm/mrs-msr-thumb-v7e-m.d: Likewise.
	* gas/arm/thumb2_bcond.d: Update expected disassembly to allow for
	relaxing of branch insns.
	* gas/arm/thumb32.d: Fix whitespace problems in disassembly.

	* config/tc-arm.c (parse_psr): Use selected_cpu not cpu_variant to
	detect M-profile targets.
	(do_t_swi): Exclude v7 and higher variants from arm_ext_os test.
	(v7m_psrs): Fix typo: basepri_max should be basepri_mask.

	* arm-dis.c (psr_name): Revert previous delta.

	* arm.h (ARM_AEXT_V7_ARM): Remove ARM_EXT_OS from bitmask.