MAINTAINERS: Add entry for Whiskey Cove PMIC GPIO driver

Added maintainer info for Whiskey Cove PMIC GPIO driver.

Signed-off-by: Kuppuswamy Sathyanarayanan <sathyanarayanan.kuppuswamy@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
1 file changed