random32: assign to network folks in MAINTAINERS

lib/random32.c was split out of the network code and is de-facto
still maintained by the almighty net/ gods.

Make it a bit more official so that people who aren't aware of
that know where to send their patches.

Signed-off-by: Sasha Levin <sasha.levin@oracle.com>
Signed-off-by: David S. Miller <davem@davemloft.net>

MAINTAINERS

@@ -6006,6 +6006,7 @@ F:	include/uapi/linux/net.h
 F:	include/uapi/linux/netdevice.h
 F:	tools/net/
 F:	tools/testing/selftests/net/
+F:	lib/random32.c
 
 NETWORKING [IPv4/IPv6]
 M:	"David S. Miller" <davem@davemloft.net>