sunxi: H616: DRAM: Add alternative pin mapping

It seems that different dies need different PHY pin mapping. Select
alternatives at compile time.

Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>
[adapted to switch from runtime to compile time config]
Signed-off-by: Chris Morgan <macromorgan@hotmail.com>
2 files changed