crypto: Add a MAINTAINERS entry for P7+ in-Nest crypto driver

Add a MAINTAINERS entry for the IBM Power in-Nest Crypto Acceleators
driver.
Signed-off-by: Kent Yoder <key@linux.vnet.ibm.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>

MAINTAINERS

@@ -3415,6 +3415,12 @@ T:	git git://git.kernel.org/pub/scm/linux/kernel/git/aegl/linux.git
 S:	Maintained
 F:	arch/ia64/
 
+IBM Power in-Nest Crypto Acceleration
+M:	Kent Yoder <key@linux.vnet.ibm.com>
+L:	linux-crypto@vger.kernel.org
+S:	Supported
+F:	drivers/crypto/nx/
+
 IBM Power 842 compression accelerator
 M:	Robert Jennings <rcj@linux.vnet.ibm.com>
 S:	Supported