ARM: dts: sunxi: add SoC specific compatibles for the crypto nodes

Add SoC specific compatibles for all sunXi crypto nodes, in addition to
the one already used (allwinner,sun4i-a10-crypto).

Signed-off-by: Antoine Tenart <antoine.tenart@free-electrons.com>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>