MAINTAINERS: Replace Heikki as maintainer of Intel pinctrl

Heikki has another priorities and no time to maintain Intel pinctrl
driver. As we decided off line I'm going to replace him.
Signed-off-by: NAndy Shevchenko <andriy.shevchenko@linux.intel.com>
Reviewed-by: NHeikki Krogerus <heikki.krogerus@linux.intel.com>
Acked-by: NMika Westerberg <mika.westerberg@linux.intel.com>
Signed-off-by: NLinus Walleij <linus.walleij@linaro.org>

MAINTAINERS

@@ -11249,7 +11249,7 @@ F:	Documentation/devicetree/bindings/pinctrl/fsl,*
 
 PIN CONTROLLER - INTEL
 M:	Mika Westerberg <mika.westerberg@linux.intel.com>
-M:	Heikki Krogerus <heikki.krogerus@linux.intel.com>
+M:	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
 S:	Maintained
 F:	drivers/pinctrl/intel/