cmd: add missing line breaks for pr_err()

After the commit 9b643e312d ("treewide: replace with error() with
pr_err()"), there are some pr_err() with no line break. Add missing
line breaks.

Signed-off-by: Seung-Woo Kim <sw0312.kim@samsung.com>

cmd/fastboot.c

@@ -48,7 +48,7 @@ static int do_fastboot_usb(int argc, char *const argv[],
 
 	ret = board_usb_init(controller_index, USB_INIT_DEVICE);
 	if (ret) {
-		pr_err("USB init failed: %d", ret);
+		pr_err("USB init failed: %d\n", ret);
 		return CMD_RET_FAILURE;
 	}
 

cmd/regulator.c

@@ -70,7 +70,7 @@ static int curr_dev_and_platdata(struct udevice **devp,
 
 	*uc_pdata = dev_get_uclass_platdata(*devp);
 	if (!*uc_pdata) {
-		pr_err("Regulator: %s - missing platform data!", currdev->name);
+		pr_err("Regulator: %s - missing platform data!\n", currdev->name);
 		return CMD_RET_FAILURE;
 	}
 

cmd/thordown.c

@@ -32,7 +32,7 @@ int do_thor_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 	int controller_index = simple_strtoul(usb_controller, NULL, 0);
 	ret = board_usb_init(controller_index, USB_INIT_DEVICE);
 	if (ret) {
-		pr_err("USB init failed: %d", ret);
+		pr_err("USB init failed: %d\n", ret);
 		ret = CMD_RET_FAILURE;
 		goto exit;
 	}
@@ -41,14 +41,14 @@ int do_thor_down(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 
 	ret = thor_init();
 	if (ret) {
-		pr_err("THOR DOWNLOAD failed: %d", ret);
+		pr_err("THOR DOWNLOAD failed: %d\n", ret);
 		ret = CMD_RET_FAILURE;
 		goto exit;
 	}
 
 	ret = thor_handle();
 	if (ret) {
-		pr_err("THOR failed: %d", ret);
+		pr_err("THOR failed: %d\n", ret);
 		ret = CMD_RET_FAILURE;
 		goto exit;
 	}

cmd/usb_mass_storage.c

@@ -161,21 +161,21 @@ static int do_usb_mass_storage(cmd_tbl_t *cmdtp, int flag,
 	controller_index = (unsigned int)(simple_strtoul(
 				usb_controller,	NULL, 0));
 	if (board_usb_init(controller_index, USB_INIT_DEVICE)) {
-		pr_err("Couldn't init USB controller.");
+		pr_err("Couldn't init USB controller.\n");
 		rc = CMD_RET_FAILURE;
 		goto cleanup_ums_init;
 	}
 
 	rc = fsg_init(ums, ums_count);
 	if (rc) {
-		pr_err("fsg_init failed");
+		pr_err("fsg_init failed\n");
 		rc = CMD_RET_FAILURE;
 		goto cleanup_board;
 	}
 
 	rc = g_dnl_register("usb_dnl_ums");
 	if (rc) {
-		pr_err("g_dnl_register failed");
+		pr_err("g_dnl_register failed\n");
 		rc = CMD_RET_FAILURE;
 		goto cleanup_board;
 	}