The devm_gpiod_get() function returns either a valid pointer to
struct gpio_desc or ERR_PTR() error value, check for NULL is bogus.
Signed-off-by: NVladimir Zapolskiy <vz@mleia.com>
Signed-off-by: NSakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: NMauro Carvalho Chehab <mchehab@osg.samsung.com>