vmw_balloon: update maintainers list

Philip Moltman is no longer a maintainer of the VMware balloon. Setting
Nadav Amit as one instead.

Reviewed-by: Xavier Deguillard <[e-mail]>
Signed-off-by: Nadav Amit <[e-mail]>
Signed-off-by: Greg Kroah-Hartman <[e-mail]>

MAINTAINERS

···
 
 VMWARE BALLOON DRIVER
 M:	Xavier Deguillard <[e-mail]>
-M:	Philip Moltmann <[e-mail]>
+M:	Nadav Amit <[e-mail]>
 M:	"VMware, Inc." <[e-mail]>
 L:	[e-mail]
 S:	Maintained