gpio: fix resource unwinding order in error path

Hogs are added *after* ACPI so should be removed *before* in error path.

Fixes: a411e81e ("gpiolib: add hogs support for machine code")
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Reviewed-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>