drm/radeon: Use only one line for whole DPCD debug output

{

	struct radeon_connector_atom_dig *dig_connector = radeon_connector->con_priv;

	u8 msg[DP_DPCD_SIZE];

	int ret, i;

	int ret;

	char dpcd_hex_dump[DP_DPCD_SIZE * 3];

	ret = drm_dp_dpcd_read(&radeon_connector->ddc_bus->aux, DP_DPCD_REV, msg,

			       DP_DPCD_SIZE);

	if (ret > 0) {

		memcpy(dig_connector->dpcd, msg, DP_DPCD_SIZE);

		DRM_DEBUG_KMS("DPCD: ");

		for (i = 0; i < DP_DPCD_SIZE; i++)

			DRM_DEBUG_KMS("%02x ", msg[i]);

		DRM_DEBUG_KMS("\n");

		hex_dump_to_buffer(dig_connector->dpcd, sizeof(dig_connector->dpcd),

				   32, 1, dpcd_hex_dump, sizeof(dpcd_hex_dump), false);

		DRM_DEBUG_KMS("DPCD: %s\n", dpcd_hex_dump);

		radeon_dp_probe_oui(radeon_connector);