staging: greybus: Add blank line after struct declaration

Add a blank line after the loopback_class struct declaration to improve
code readability and adherence to coding style guidelines
Signed-off-by: Dorine Tipo <dorine.a.tipo@gmail.com>
Acked-by: Julia Lawall <julia.lawall@inria.fr>
Link: https://lore.kernel.org/r/20240310104714.22224-1-dorine.a.tipo@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

drivers/staging/greybus/loopback.c

@@ -101,6 +101,7 @@ struct gb_loopback {
 static struct class loopback_class = {
 	.name		= "gb_loopback",
 };
+
 static DEFINE_IDA(loopback_ida);
 
 /* Min/max values in jiffies */