linux-phytec-fsl

x86 platform drivers: fix gpio leak

when request_irq fails, we should release gpiochip

v2:
  fix warning: ignoring return value of 'gpiochip_remove

Signed-off-by: Libo Chen <libo.chen@huawei.com>
Signed-off-by: Matthew Garrett <matthew.garrett@nebula.com>