linux-imx

MAINTAINERS: Take maintainership for GPIO ACPI support

We will help Linus to maintain GPIO ACPI support.

Append a dedicated record to the MAINTAINERS data base.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Acked-by: Mika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>