Handle the HCIGETDEVLIST ioctl.

Based on patch from Tomasz Nowak via BZ#335034.


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14109 a5019735-40e9-0310-863c-91ae7b9d1cf9
arm64: add/enable testcases:
pmul, pmull, rbit, rev16,
LD1/ST1 (multiple 1-elem structs to/from 3 regs, no offset)
LD3/ST3 (multiple 3-elem structs to/from 3/regs, post index)


git-svn-id: svn://svn.valgrind.org/valgrind/trunk@14110 a5019735-40e9-0310-863c-91ae7b9d1cf9