gpio/gpio-ich: make ichx_gpio_check_available() return a pure boolean value
gpio/gpio-ich: make ichx_gpio_check_available() return a pure boolean value

It is more readable for humans to use double-bang (!!) to convert the value
to pure boolean before it is returned.

Signed-off-by: Mika Westerberg <afb75201fb002d7fdd2b0b231e006999e00db8a9@linux.intel.com>
Signed-off-by: Linus Walleij <9cd9d802d23c0ed5e224beabf4ae4a5c478746ef@linaro.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas