nvme: update MAINTAINERS email address

Update the MAINTAINERS file email address.

Signed-off-by: Chaitanya Kulkarni <[email protected]>
Signed-off-by: Christoph Hellwig <[email protected]>

Author: Chaitanya Kulkarni

MAINTAINERS

@@ -13367,7 +13367,7 @@ F:	include/linux/nvme-fc.h
 NVM EXPRESS TARGET DRIVER
 M:	Christoph Hellwig <[email protected]>
 M:	Sagi Grimberg <[email protected]>
-M:	Chaitanya Kulkarni <chaitanya.kulkarni@wdc.com>
+M:	Chaitanya Kulkarni <kch@nvidia.com>
 L:	[email protected]
 S:	Supported
 W:	http://git.infradead.org/nvme.git