Add some mosty unused, but missing clocks for BCM6328 and BCM6362.
This also fixes PCIe init on BCM6362.
Signed-off-by: NJonas Gorski <jogo@openwrt.org>
Patchwork: http://patchwork.linux-mips.org/patch/5200/Acked-by: NJohn Crispin <blogic@openwrt.org>