drm/i915: Simplify the intel_color_init_hooks() if ladder

Get rid of the funny hsw vs. ivb extra indentation level in
intel_color_init_hooks().
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20220929071521.26612-4-ville.syrjala@linux.intel.comReviewed-by: Jani Nikula <jani.nikula@intel.com>

drivers/gpu/drm/i915/display/intel_color.c

@@ -2238,12 +2238,11 @@ void intel_color_init_hooks(struct drm_i915_private *dev_priv)
 			dev_priv->display.funcs.color = &skl_color_funcs;
 		else if (DISPLAY_VER(dev_priv) == 8)
 			dev_priv->display.funcs.color = &bdw_color_funcs;
-		else if (DISPLAY_VER(dev_priv) == 7) {
-			if (IS_HASWELL(dev_priv))
-				dev_priv->display.funcs.color = &hsw_color_funcs;
-			else
-				dev_priv->display.funcs.color = &ivb_color_funcs;
-		} else
+		else if (IS_HASWELL(dev_priv))
+			dev_priv->display.funcs.color = &hsw_color_funcs;
+		else if (DISPLAY_VER(dev_priv) == 7)
+			dev_priv->display.funcs.color = &ivb_color_funcs;
+		else
 			dev_priv->display.funcs.color = &ilk_color_funcs;
 	}
 }