MAINTAINERS: add linux-crypto to hw random

hw random is crypto-related, Cc the linux-crypto list
on patches.

Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Herbert Xu <herbert@gondor.apana.org.au>
diff --git a/MAINTAINERS b/MAINTAINERS
index ddb9ac8..aa5aaeb 100644
--- a/MAINTAINERS
+++ b/MAINTAINERS
@@ -4402,6 +4402,7 @@
 HARDWARE RANDOM NUMBER GENERATOR CORE
 M:	Matt Mackall <mpm@selenic.com>
 M:	Herbert Xu <herbert@gondor.apana.org.au>
+L:	linux-crypto@vger.kernel.org
 S:	Odd fixes
 F:	Documentation/hw_random.txt
 F:	drivers/char/hw_random/