Patch adds support for the following instructions:
SVE2 bitwise exclusive-or interleaved:
- EORBT, EORTB
SVE2 bitwise permute:
- BEXT, BDEP, BGRP
SVE2 bitwise shift left long:
- SSHLLB, SSHLLT, USHLLB, USHLLT
SVE2 integer add/subtract interleaved long:
- SADDLBT, SSUBLBT, SSUBLTB
BDEP, BEXT and BGRP are enabled with SVE2 feature +bitperm, all other
instructions in this group are enabled with +sve2.