Michael Walle 3e7287720b ram: Add Bouffalo Lab PSRAM driver
All the intitalization routines and values are taken from the
Bouffalolab MCU SDK @a574195a4b33:
https://github.com/bouffalolab/bl_mcu_sdk/

Signed-off-by: Michael Walle <michael@walle.cc>
2023-02-05 14:37:35 -06:00
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