kernel: kmod-ssb, kmod-b44: fix load order

kernel: kmod-ssb, kmod-b44: fix load order

This fixes the following error:
b44: Unknown symbol ssb_device_is_enabled (err 0)
b44: Unknown symbol ssb_pcicore_dev_irqvecs_enable (err 0)
b44: Unknown symbol ssb_bus_may_powerdown (err 0)
b44: Unknown symbol ssb_pcihost_register (err 0)
b44: Unknown symbol ssb_device_disable (err 0)
b44: Unknown symbol ssb_device_enable (err 0)
b44: Unknown symbol ssb_driver_unregister (err 0)
b44: Unknown symbol __ssb_driver_register (err 0)
b44: Unknown symbol ssb_bus_powerup (err 0)
b44: Unknown symbol ssb_clockspeed (err 0)
b44: Unknown symbol ssb_dma_translation (err 0)

Reported-by: Helmut Schaa <helmut.schaa@googlemail.com>
Signed-off-by: Hauke Mehrtens <hauke@hauke-m.de>
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@37903 3c298f89-4303-0410-b956-a3cf2f4a3e73