drm/i915: Relocate intel_atomic_setup_scalers()

[ Upstream commit 8976b182 ]

Move intel_atomic_setup_scalers() next to the other scaler
code in skl_scaler.c.

Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230418175528.13117-4-ville.syrjala@linux.intel.com


Reviewed-by: Jani Nikula <jani.nikula@intel.com>
Stable-dep-of: c3070f08 ("drm/i915: Fix intel_atomic_setup_scalers() plane_state handling")
Signed-off-by: Sasha Levin <sashal@kernel.org>