drm/i915/mtl: Update workaround 14016712196

drm/i915/mtl: Update workaround 14016712196

Now this workaround is permanent workaround on MTL and DG2,
earlier we used to apply on MTL A0 step only.
VLK-45480

Fixes: d922b80b1010 ("drm/i915/gt: Add workaround 14016712196")
Signed-off-by: Tejas Upadhyay <tejas.upadhyay@intel.com>
Acked-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Andi Shyti <andi.shyti@linux.intel.com>
Signed-off-by: Andi Shyti <andi.shyti@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230828063450.2642748-1-tejas.upadhyay@intel.com