MAINTAINERS: Add Maxim Polyakov as intelp2m maintainer

Change-Id: I85835712926ca456b108b1d80e6a55f75e604591
Signed-off-by: Maxim Polyakov <max.senia.poliak@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/56886
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by:  Felix Singer <felixsinger@posteo.net>
Reviewed-by: Paul Menzel <paulepanter@mailbox.org>
Reviewed-by: Matt DeVillier <matt.devillier@gmail.com>
Reviewed-by: Angel Pons <th3fanbus@gmail.com>

MAINTAINERS

@@ -757,6 +757,11 @@ INTELMETOOL
 M:	Christian Walter <christian.walter@9elements.com>
 F:	util/intelmetool/
 
+INTELP2M
+M:	Maxim Polyakov <max.senia.poliak@gmail.com>
+S:	Maintained
+F:	util/intelp2m/
+
 ME_CLEANER
 M:	Nicola Corna <nicola@corna.info>
 W:	https://github.com/corna/me_cleaner