drm/msm/dp: Add newlines to debug printks

These debug printks are missing newlines, causing drm debug logs to be
hard to read. Add newlines so that the messages are on their own line.

Cc: Kuogee Hsieh <quic_khsieh@quicinc.com>
Cc: Vinod Polimera <quic_vpolimer@quicinc.com>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Fixes: 601f0479 ("drm/msm/dp: add logs across DP driver for ease of debugging")
Fixes: cd779808 ("drm/msm/dp: Add basic PSR support for eDP")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Abhinav Kumar <quic_abhinavk@quicinc.com>
Patchwork: https://patchwork.freedesktop.org/patch/554533/
Link: https://lore.kernel.org/r/20230825230109.2264345-1-swboyd@chromium.orgSigned-off-by: Abhinav Kumar <quic_abhinavk@quicinc.com>

drivers/gpu/drm/msm/dp/dp_link.c

@@ -1090,7 +1090,7 @@ int dp_link_process_request(struct dp_link *dp_link)
 	} else if (dp_link_read_psr_error_status(link)) {
 		DRM_ERROR("PSR IRQ_HPD received\n");
 	} else if (dp_link_psr_capability_changed(link)) {
-		drm_dbg_dp(link->drm_dev, "PSR Capability changed");
+		drm_dbg_dp(link->drm_dev, "PSR Capability changed\n");
 	} else {
 		ret = dp_link_process_link_status_update(link);
 		if (!ret) {
@@ -1107,7 +1107,7 @@ int dp_link_process_request(struct dp_link *dp_link)
 		}
 	}
 
-	drm_dbg_dp(link->drm_dev, "sink request=%#x",
+	drm_dbg_dp(link->drm_dev, "sink request=%#x\n",
 				dp_link->sink_request);
 	return ret;
 }