LSM: Record LSM name in struct lsm_info

In preparation for making LSM selections outside of the LSMs, include
the name of LSMs in struct lsm_info.

Signed-off-by: Kees Cook <keescook@chromium.org>
Reviewed-by: Casey Schaufler <casey@schaufler-ca.com>
Signed-off-by: James Morris <james.morris@microsoft.com>

security/integrity/iint.c

@@ -176,6 +176,7 @@ static int __init integrity_iintcache_init(void)
 	return 0;
 }
 DEFINE_LSM(integrity) = {
+	.name = "integrity",
 	.init = integrity_iintcache_init,
 };