MAINTAINERS: Update EP93XX ARM ARCHITECTURE maintainer

Add myself as maintainer of EP93XX ARCHITECTURE.

CC: Alexander Sverdlin <alexander.sverdlin@gmail.com>
CC: Arnd Bergmann <arnd@arndb.de>
Signed-off-by: Nikita Shubin <nikita.shubin@maquefel.me>
Acked-by: Alexander Sverdlin <alexander.sverdlin@gmail.com>
Signed-off-by: Arnd Bergmann <arnd@arndb.de>

MAINTAINERS

@@ -2171,6 +2171,7 @@ N:	clps711x
 ARM/CIRRUS LOGIC EP93XX ARM ARCHITECTURE
 M:	Hartley Sweeten <hsweeten@visionengravers.com>
 M:	Alexander Sverdlin <alexander.sverdlin@gmail.com>
+M:	Nikita Shubin <nikita.shubin@maquefel.me>
 L:	linux-arm-kernel@lists.infradead.org (moderated for non-subscribers)
 S:	Maintained
 F:	Documentation/devicetree/bindings/iio/adc/cirrus,ep9301-adc.yaml