drm/i915: Reuse ibx_dump_hw_state() for gmch platforms

GMCH platform DPLLs are similar to the IBX+ PCH DPLLs so
we can just use the same state dump function for both.
Signed-off-by: Ville Syrjälä <ville.syrjala@linux.intel.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20240209183809.16887-4-ville.syrjala@linux.intel.comReviewed-by: Mika Kahola <mika.kahola@intel.com>

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

@@ -4458,13 +4458,7 @@ void intel_dpll_dump_hw_state(struct drm_i915_private *i915,
 		/* fallback for platforms that don't use the shared dpll
 		 * infrastructure
 		 */
-		drm_dbg_kms(&i915->drm,
-			    "dpll_hw_state: dpll: 0x%x, dpll_md: 0x%x, "
-			    "fp0: 0x%x, fp1: 0x%x\n",
-			    hw_state->dpll,
-			    hw_state->dpll_md,
-			    hw_state->fp0,
-			    hw_state->fp1);
+		ibx_dump_hw_state(i915, hw_state);
 	}
 }