AMDGPU: MC support for v_cvt_scalef32_pk_{fp|bf}8_{f|bf}16 of gfx950. (#117384)
OPSEL ASM Syntax: opsel:[x,y,z]
where,
opsel[z] = Inst{14} = src0_modifier{3}
Note: Conventional Inst{13} i.e. OPSEL[2] is ignored in asm syntax.
Co-authored-by: Pravin Jagtap <Pravin.Jagtap@amd.com>