maintainers: update for cxgbe driver

Update maintainers for chelsio cxgbe drivers.

Signed-off-by: Potnuri Bharat Teja <[email protected]>

.mailmap

@@ -1163,6 +1163,7 @@ Piotr Kwapulinski <[email protected]>
 Piotr Pietruszewski <[email protected]>
 Piotr Raczynski <[email protected]>
 Piotr Skajewski <[email protected]>
+Potnuri Bharat Teja <[email protected]>
 Pradeep Satyanarayana <[email protected]>
 Prashant Bhole <[email protected]>
 Prashant Upadhyaya <[email protected]> <[email protected]>

MAINTAINERS

@@ -718,7 +718,7 @@ F: doc/guides/nics/octeontx.rst
 F: doc/guides/nics/features/octeontx.ini
 
 Chelsio cxgbe
-M: Rahul Lakkireddy <rahul.lakkireddy@chelsio.com>
+M: Potnuri Bharat Teja <bharat@chelsio.com>
 F: drivers/net/cxgbe/
 F: doc/guides/nics/cxgbe.rst
 F: doc/guides/nics/features/cxgbe.ini