sechecker.ini: Add net_admin to kmod_t.

https://lore.kernel.org/selinux/c247a57d-b4a9-4c77-9334-c338e5457a48@oss.qualcomm.com/

Signed-off-by: Chris PeBenito <pebenito@ieee.org>

Author: pebenito

testing/sechecker.ini

@@ -273,6 +273,7 @@ exempt_source = arpwatch_t
                 iscsid_t
                 kernel_t
                 kismet_t
+                kmod_t         # See https://lore.kernel.org/selinux/c247a57d-b4a9-4c77-9334-c338e5457a48@oss.qualcomm.com/
                 krb5kdc_t
                 kubeadm_t
                 kubelet_t