usb: gadget: android: Fix product name

Product names may contain spaces and scanf %s only matches the 1st word.
Use strlcpy instead.

Change-Id: Ie8703fea9775f7fc17fe615a42597ca3816d36b0
Signed-off-by: Benoit Goby <benoit@android.com>
diff --git a/drivers/usb/gadget/android.c b/drivers/usb/gadget/android.c
index d2c3393..7a2af58 100644
--- a/drivers/usb/gadget/android.c
+++ b/drivers/usb/gadget/android.c
@@ -1053,10 +1053,7 @@
 {									\
 	if (size >= sizeof(buffer))					\
 		return -EINVAL;						\
-	if (sscanf(buf, "%s", buffer) == 1) {				\
-		return size;						\
-	}								\
-	return -1;							\
+	return strlcpy(buffer, buf, sizeof(buffer));			\
 }									\
 static DEVICE_ATTR(field, S_IRUGO | S_IWUSR, field ## _show, field ## _store);