vmw_balloon: change maintainership

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.com
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>