iio: adc: axp288: Constify platform_device_id

The platform_device_id is not modified by the driver and core uses it as
const.

Signed-off-by: Krzysztof Kozlowski <k.kozlowski.k@gmail.com>
Signed-off-by: Jonathan Cameron <jic23@kernel.org>
This commit is contained in:
Krzysztof Kozlowski 2015-05-02 00:53:31 +09:00 • committed by Jonathan Cameron
commit e682173f37