Allow the UAL APSR_nzcv format for the mrc and mrc2 instructions. The clang
integrated assembler only allows these forms so binutils will need to
support them.

MFC after:	1 Week
Sponsored by:	AB Systems Ltd


git-svn-id: svn+ssh://svn.freebsd.org/base/head@275415 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f
Fix the name of the coprocessor to include the "p" prefix, the clang
integrated assembler expects this.

MFC after:	1 Week
Sponsored by:	ABT Systems Ltd


git-svn-id: svn+ssh://svn.freebsd.org/base/head@275416 ccf9f872-aa2e-dd11-9fc8-001c23d0bc1f