MAINTAINERS: Removing Ohad from remoteproc/rpmsg maintenance

Ohad has not reviewed patches in the remoteproc and rpmsg subsystems for
several years now:

$ git log --no-merges --format=email drivers/remoteproc/ drivers/rpmsg/ | \
  grep -Pi "^Subject:|^Date:|^[\w\-]+-by:.*ohad*" | grep -B2 ohad

Date: Wed, 16 Sep 2015 07:32:54 -0500
Subject: [PATCH] remoteproc/wkup_m3: Use MODULE_DEVICE_TABLE to export alias
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Date: Fri, 28 Aug 2015 18:08:19 -0700
Subject: [PATCH] remoteproc: report error if resource table doesn't exist
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
--
Date: Wed, 16 Sep 2015 19:29:18 -0500
Subject: [PATCH] remoteproc: fix memory leak of remoteproc ida cache layers
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Date: Fri, 20 Nov 2015 18:26:07 +0100
Subject: [PATCH] remoteproc: avoid stack overflow in debugfs file
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Date: Thu, 18 Jun 2015 11:44:41 +0300
Subject: [PATCH] remoteproc: fix !CONFIG_OF build breakage
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>
Date: Fri, 22 May 2015 15:45:30 -0500
Subject: [PATCH] remoteproc/wkup_m3: add a remoteproc driver for TI Wakeup M3
Signed-off-by: Ohad Ben-Cohen <ohad@wizery.com>

As such move his names to the CREDITS file.

Signed-off-by: Mathieu Poirier <mathieu.poirier@linaro.org>
Link: https://lore.kernel.org/r/20211202171125.903608-1-mathieu.poirier@linaro.org
Acked-by: Ohad Ben Cohen <ohad@wizery.com>