sh: boards/mach-x3proto: gpio: fix error handling code

Checks for (irq < 0) and (ilsel < 0) didn't make sense since they were
unsigned.  Made them signed.

Signed-off-by: Vasiliy Kulikov <segooon@gmail.com>
Signed-off-by: Paul Mundt <lethal@linux-sh.org>
1 file changed