gpio: mcp23s08: delete req/rel_resource callbacks

When using the GPIOLIB_IRQCHIP the gpiolib provides a
straight-forward implementation of request/release resources,
rely on that instead.

Cc: Phil Reid <preid@electromag.com.au>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
This commit is contained in:
Linus Walleij 2016-03-22 14:28:34 +01:00
commit f7aed67d63