ibmvnic: change maintainers for vnic driver

Changed maintainers for vnic driver, since Dany has new responsibilities.
Also added Nick Child as reviewer.

Signed-off-by: Rick Lindsley <ricklind@us.ibm.com>
Link: https://lore.kernel.org/r/20221028203509.4070154-1-ricklind@us.ibm.com
Signed-off-by: Jakub Kicinski <kuba@kernel.org>

MAINTAINERS

@@ -9775,7 +9775,10 @@ S:	Supported
 F:	drivers/pci/hotplug/rpaphp*
 
 IBM Power SRIOV Virtual NIC Device Driver
-M:	Dany Madden <drt@linux.ibm.com>
+M:	Haren Myneni <haren@linux.ibm.com>
+M:	Rick Lindsley <ricklind@linux.ibm.com>
+R:	Nick Child <nnac123@linux.ibm.com>
+R:	Dany Madden <danymadden@us.ibm.com>
 R:	Thomas Falcon <tlfalcon@linux.ibm.com>
 L:	netdev@vger.kernel.org
 S:	Supported