MAINTAINERS: Add myself as designated reviewer of Intel PMIC GPIO

There are few Intel PMIC GPIO device drivers which I would like
to review.

Note, Intel MSIC is old system controller that based mostly on PMIC
integrated in it. Thus, I included it as well.

Signed-off-by: Andy Shevchenko <andriy.shevchenko@linux.intel.com>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
diff --git a/MAINTAINERS b/MAINTAINERS
index a5b256b..0937f21 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -7354,6 +7354,12 @@
 S:	Supported
 F:	drivers/gpu/drm/i915/gvt/
 
+INTEL PMIC GPIO DRIVER
+R:	Andy Shevchenko <andriy.shevchenko@linux.intel.com>
+S:	Maintained
+F:	drivers/gpio/gpio-*cove.c
+F:	drivers/gpio/gpio-msic.c
+
 INTEL HID EVENT DRIVER
 M:	Alex Hung <alex.hung@canonical.com>
 L:	platform-driver-x86@vger.kernel.org