[AArch64][gas] Update MTE system register encodings

[AArch64][gas] Update MTE system register encodings

The MTE specification adjusted the encoding of the TFSRE0_EL1, TFSR_EL1, TFSR_EL2, TFSR_EL3, TFSR_EL12 system registers.
This patch brings binutils up to date.

The references for the encodings are at:
https://developer.arm.com/docs/ddi0595/latest/aarch64-system-registers/tfsre0_el1 (also contains TFSR_EL12 description)
https://developer.arm.com/docs/ddi0595/latest/aarch64-system-registers/tfsr_el1
https://developer.arm.com/docs/ddi0595/latest/aarch64-system-registers/tfsr_el2
https://developer.arm.com/docs/ddi0595/latest/aarch64-system-registers/tfsr_el3

Tested check-gas for aarch64-none-elf.

opcodes/

	* aarch64-opc.c (aarch64_sys_regs): Update encoding of tfsre0_el1,
	tfsr_el1, tfsr_el2, tfsr_el3, tfsr_el12.
	(aarch64_sys_reg_supported_p): Update checks for the above.

gas/

    * testsuite/gas/aarch64/sysreg-4.d: Update expected disassembly for
    tfsre0_el1, tfsr_el1, tfsr_el2, tfsr_el3, tfsr_el12 system registers.