ARM: ux500: Register Cryp and Hash platform drivers on Snowball

These drivers are now operational and even use the latest common clk
and DMA APIs. There's no reason why we shouldn't start them up now.

Signed-off-by: Lee Jones <lee.jones@linaro.org>
Signed-off-by: Linus Walleij <linus.walleij@linaro.org>