drm/radeon: Do not use deprecated drm log API

Replace deprecated DRM_DEBUG_KMS_RATELIMITED() and DRM_ERROR()
with proper APIs.

v2: replace pr_err with dev_err(Alex).

Cc: Alex Deucher <alexander.deucher@amd.com>
Cc: Christian König <christian.koenig@amd.com>
Signed-off-by: Nirmoy Das <nirmoy.das@intel.com>
Reviewed-by: Alex Deucher <alexander.deucher@amd.com>
Reviewed-by: Christian König <christian.koenig@amd.com>
Link: https://patchwork.freedesktop.org/patch/msgid/20230117180417.21066-1-nirmoy.das@intel.comSigned-off-by: Christian König <christian.koenig@amd.com>

drivers/gpu/drm/radeon/radeon_dp_auxch.c

@@ -158,7 +158,7 @@ radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg
 	} while (retry_count++ < 1000);
 
 	if (retry_count >= 1000) {
-		DRM_ERROR("auxch hw never signalled completion, error %08x\n", tmp);
+		dev_err(rdev->dev, "auxch hw never signalled completion, error %08x\n", tmp);
 		ret = -EIO;
 		goto done;
 	}
@@ -168,8 +168,7 @@ radeon_dp_aux_transfer_native(struct drm_dp_aux *aux, struct drm_dp_aux_msg *msg
 		goto done;
 	}
 	if (tmp & AUX_RX_ERROR_FLAGS) {
-		DRM_DEBUG_KMS_RATELIMITED("dp_aux_ch flags not zero: %08x\n",
-					  tmp);
+		drm_dbg_kms_ratelimited(dev, "dp_aux_ch flags not zero: %08x\n", tmp);
 		ret = -EIO;
 		goto done;
 	}