Fixes:
lib/xymodem.c:558: warning: no previous prototype for ‘do_load_serial_xmodem’
lib/xymodem.c:572: warning: no previous prototype for ‘do_load_serial_ymodem’
lib/xymodem.c:586: warning: no previous prototype for ‘do_load_serial_ymodemg’
Signed-off-by: Antony Pavlov <antonynpavlov@gmail.com>
Acked-by: Robert Jarzmik <robert.jarzmik@free.fr>
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>