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

[Przemyslaw Wirkus]

> 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.

commit 100e914da3da936fa057edf85f16f407cf3d682b

> Cheers
>    Nick