[X86] Support encoding/decoding and lowering for APX variant...

[X86] Support encoding/decoding and lowering for APX variant SHL/SHR/SAR/ROL/ROR/RCL/RCR/SHLD/SHRD (#78853)

Four variants: promoted legacy, ND (new data destination), NF (no flags
update) and NF_ND (NF + ND).

The syntax of NF instructions is aligned with GNU binutils.
https://sourceware.org/pipermail/binutils/2023-September/129545.html