vmw_balloon: change maintainership

Jerrin will be the new maintainer of the VMware balloon driver following
Broadcom's acquisition and Nadav's departure.

Update accordingly:
1. Update the maintainer name and email.
2. Update the reviewer list to Broadcom's, which acquired VMware.
3. Add .mailmap entries for Nadav.

Cc: Jerrin Shaji George <jerrin.shaji-george@broadcom.com>
Signed-off-by: Nadav Amit <nadav.amit@gmail.com>
Acked-by: Jerrin Shaji George <jerrin.shaji-george@broadcom.com>
Link: https://lore.kernel.org/r/20240202182339.1725466-1-nadav.amit@gmail.comSigned-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>

.mailmap

@@ -438,6 +438,8 @@ Mukesh Ojha <quic_mojha@quicinc.com> <mojha@codeaurora.org>
 Muna Sinada <quic_msinada@quicinc.com> <msinada@codeaurora.org>
 Murali Nalajala <quic_mnalajal@quicinc.com> <mnalajal@codeaurora.org>
 Mythri P K <mythripk@ti.com>
+Nadav Amit <nadav.amit@gmail.com> <namit@vmware.com>
+Nadav Amit <nadav.amit@gmail.com> <namit@cs.technion.ac.il>
 Nadia Yvette Chambers <nyc@holomorphy.com> William Lee Irwin III <wli@holomorphy.com>
 Naoya Horiguchi <naoya.horiguchi@nec.com> <n-horiguchi@ah.jp.nec.com>
 Nathan Chancellor <nathan@kernel.org> <natechancellor@gmail.com>

MAINTAINERS

@@ -23503,8 +23503,8 @@ F:	Documentation/driver-api/vme.rst
 F:	drivers/staging/vme_user/
 
 VMWARE BALLOON DRIVER
-M:	Nadav Amit <namit@vmware.com>
-R:	VMware PV-Drivers Reviewers <pv-drivers@vmware.com>
+M:	Jerrin Shaji George <jerrin.shaji-george@broadcom.com>
+R:	Broadcom internal kernel review list <bcm-kernel-feedback-list@broadcom.com>
 L:	linux-kernel@vger.kernel.org
 S:	Supported
 F:	drivers/misc/vmw_balloon.c