The sssd.conf may refer to additional files, like a CA bundle or TLS
certificates. These files need to be made available in the SSSD sidecar.
With the new `sssdGenericFiles` reference to a VolumeSource and a
`MountPath`, a provided `sssd.conf` can use the additional files.
Signed-off-by: Niels de Vos <ndevos@redhat.com>
Signed-off-by: Blaine Gardner <blaine.gardner@redhat.com>