aarch64: Rename AARCH64_FL architecture-level macros

aarch64: Rename AARCH64_FL architecture-level macros

Following on from the previous AARCH64_ISA patch, this one adds the
profile name directly to the end of architecture-level AARCH64_FL_*
macros.

gcc/
	* config/aarch64/aarch64.h (AARCH64_FL_V8_1, AARCH64_FL_V8_2)
	(AARCH64_FL_V8_3, AARCH64_FL_V8_4, AARCH64_FL_V8_5, AARCH64_FL_V8_6)
	(AARCH64_FL_V9, AARCH64_FL_V8_7, AARCH64_FL_V8_8, AARCH64_FL_V9_1)
	(AARCH64_FL_V9_2, AARCH64_FL_V9_3): Add "A" to the end of the name.
	(AARCH64_FL_V8_R): Rename to AARCH64_FL_V8R.
	(AARCH64_FL_FOR_ARCH8_1, AARCH64_FL_FOR_ARCH8_2): Update accordingly.
	(AARCH64_FL_FOR_ARCH8_3, AARCH64_FL_FOR_ARCH8_4): Likewise.
	(AARCH64_FL_FOR_ARCH8_5, AARCH64_FL_FOR_ARCH8_6): Likewise.
	(AARCH64_FL_FOR_ARCH8_7, AARCH64_FL_FOR_ARCH8_8): Likewise.
	(AARCH64_FL_FOR_ARCH8_R, AARCH64_FL_FOR_ARCH9): Likewise.
	(AARCH64_FL_FOR_ARCH9_1, AARCH64_FL_FOR_ARCH9_2): Likewise.
	(AARCH64_FL_FOR_ARCH9_3, AARCH64_ISA_V8_2A, AARCH64_ISA_V8_3A)
	(AARCH64_ISA_V8_4A, AARCH64_ISA_V8_5A, AARCH64_ISA_V8_6A): Likewise.
	(AARCH64_ISA_V8R, AARCH64_ISA_V9A, AARCH64_ISA_V9_1A): Likewise.
	(AARCH64_ISA_V9_2A, AARCH64_ISA_V9_3A): Likewise.