[PATCH][GAS][AArch64] Define RME system registers

[Nick Clifton]

Hi Przemyslaw,

> gas/ChangeLog:
> 
> 2021-03-01  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
> 
> 	* testsuite/gas/aarch64/rme-invalid.d: New test.
> 	* testsuite/gas/aarch64/rme-invalid.l: New test.
> 	* testsuite/gas/aarch64/rme-invalid.s: New test.
> 	* testsuite/gas/aarch64/rme.d: New test.
> 	* testsuite/gas/aarch64/rme.s: New test.
> 
> opcodes/ChangeLog:
> 
> 2021-03-01  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
> 
> 	* aarch64-opc.c: Add RME system registers.

Approved - please apply.

Cheers
   Nick