USB: gadget: Remove pr_<level> uses of KERN_<level>

Signed-off-by: Joe Perches <joe@perches.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/usb/gadget/r8a66597-udc.c b/drivers/usb/gadget/r8a66597-udc.c
index 9509215..157640f 100644
--- a/drivers/usb/gadget/r8a66597-udc.c
+++ b/drivers/usb/gadget/r8a66597-udc.c
@@ -274,7 +274,7 @@
 	}
 
 	if (buf_bsize && ((bufnum + 16) >= R8A66597_MAX_BUFNUM)) {
-		pr_err(KERN_ERR "r8a66597 pipe memory is insufficient\n");
+		pr_err("r8a66597 pipe memory is insufficient\n");
 		return -ENOMEM;
 	}