MAINTAINERS: Add a new maintainer for the CCP driver

Gary will be taking over future development of the CCP driver, so add
him as a co-maintainer of the driver.

Signed-off-by: Tom Lendacky <thomas.lendacky@amd.com>
Acked-by: Gary Hook <gary.hook@amd.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/MAINTAINERS b/MAINTAINERS
index 1c32f8a..c5048fa 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -627,6 +627,7 @@
 
 AMD CRYPTOGRAPHIC COPROCESSOR (CCP) DRIVER
 M:	Tom Lendacky <thomas.lendacky@amd.com>
+M:	Gary Hook <gary.hook@amd.com>
 L:	linux-crypto@vger.kernel.org
 S:	Supported
 F:	drivers/crypto/ccp/