[PATCH] serial: fix kernel-doc warning in comments

[Randy Dunlap]

From: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>

Fix Sphinx warning in serial_core.c:

../drivers/tty/serial/serial_core.c:1969: WARNING: Definition list ends without a blank line; unexpected unindent.

Fixes: 73abaf87f01b ("serial: earlycon: Refactor parse_options into serial core")
Signed-off-by: Randy Dunlap <rdunlap@xxxxxxxxxxxxx>
Cc: Peter Hurley <peter@xxxxxxxxxxxxxxxxxx>
Cc: Greg Kroah-Hartman <gregkh@xxxxxxxxxxxxxxxxxxx>
---
 drivers/tty/serial/serial_core.c |    2 ++
 1 file changed, 2 insertions(+)

--- linux-next-20191008.orig/drivers/tty/serial/serial_core.c
+++ linux-next-20191008/drivers/tty/serial/serial_core.c
@@ -1964,8 +1964,10 @@ uart_get_console(struct uart_port *ports
  *	   console=<name>,io|mmio|mmio16|mmio32|mmio32be|mmio32native,<addr>,<options>
  *
  *	The optional form
+ *
  *	   earlycon=<name>,0x<addr>,<options>
  *	   console=<name>,0x<addr>,<options>
+ *
  *	is also accepted; the returned @iotype will be UPIO_MEM.
  *
  *	Returns 0 on success or -EINVAL on failure