[X86][MC] Support encoding/decoding for APX variant INC/DEC/ADCX/ADOX instructions (#76721)

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