anv: Use RCS engine for copying stencil resource for gfx125
What does this MR do and why?
anv: Use RCS engine for copying stencil resource for gfx125
HSD 14021541470 lists a HW bug on blitter engine where the compression pairing bit is
not programmed correctly for stencil resources.
Use RCS Engine to perform copy instead.
Edited by Aditya Swarup