crypto: ccp - Update CCP driver maintainer information

Add John Allen as a new CCP driver maintainer. Additionally, break out
the driver SEV support and create a new maintainer entry, with Brijesh
Singh and Tom Lendacky as maintainers.

Cc: John Allen <john.allen@amd.com>
Cc: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: John Allen <john.allen@amd.com>
Acked-by: Brijesh Singh <brijesh.singh@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -830,11 +830,20 @@ F:	include/uapi/rdma/efa-abi.h
 
 AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER
 M:	Tom Lendacky <thomas.lendacky@amd.com>
+M:	John Allen <john.allen@amd.com>
 L:	linux-crypto@vger.kernel.org
 S:	Supported
 F:	drivers/crypto/ccp/
 F:	include/linux/ccp.h
 
+AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER - SEV SUPPORT
+M:	Brijesh Singh <brijesh.singh@amd.com>
+M:	Tom Lendacky <thomas.lendacky@amd.com>
+L:	linux-crypto@vger.kernel.org
+S:	Supported
+F:	drivers/crypto/ccp/sev*
+F:	include/uapi/linux/psp-sev.h
+
 AMD DISPLAY CORE
 M:	Harry Wentland <harry.wentland@amd.com>
 M:	Leo Li <sunpeng.li@amd.com>