[binutils-gdb] Add self to aarch64 maintainers. Fix mla instruction.

[sergiodj+buildbot@sergiodj.net]

*** TEST RESULTS FOR COMMIT 742e3a7781c7f29136ccc36673ef2c887ba2860d ***

Author: Jim Wilson <jim.wilson@linaro.org>
Branch: master
Commit: 742e3a7781c7f29136ccc36673ef2c887ba2860d

Add self to aarch64 maintainers.  Fix mla instruction.

	sim/
	* MAINTAINTERS (aarch64): Add myself.

	sim/aarch64/
	* simulator.c (do_vec_MLA): Rewrite switch body.

	sim/testsuite/sim/aarch64/
	* mla.s: New.