[PATCH][GAS] aarch64: Add few missing system registers

[Przemyslaw Wirkus]

> Hi Przemyslaw,
> 
> > gas/ChangeLog:
> >
> > 2021-03-02  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
> >
> > 	* testsuite/gas/aarch64/illegal-sysreg-7.d: New test.
> > 	* testsuite/gas/aarch64/illegal-sysreg-7.l: New test.
> > 	* testsuite/gas/aarch64/illegal-sysreg-7.s: New test.
> > 	* testsuite/gas/aarch64/sysreg-7.d: New test.
> > 	* testsuite/gas/aarch64/sysreg-7.s: New test.
> >
> > opcodes/ChangeLog:
> >
> > 2021-03-02  Przemyslaw Wirkus  <przemyslaw.wirkus@arm.com>
> >
> > 	* aarch64-opc.c: Add lorc_el1, lorea_el1, lorn_el1, lorsa_el1,
> > 	icc_ctlr_el3, icc_sre_elx, ich_vtr_el2 system registers.
> 
> Approved - please apply.

commit 7fce7ea986bc66d4af3c21d4f6ab2a987f3aac46

> Cheers
>    Nick
>