* Initial Work on setting custom BSP for ox64
* add M1S Dock BSP
* Add Apache 2.0 License file
* refactor to support bl702 and BL616 Chips
* Update SDK Variable name
* Ensure we get the BOARD from our proj.conf when recompiling
* Till bl_mcu_sdk merge https://github.com/bouffalolab/bl_mcu_sdk/pull/82 lets just let Make warn about overriding targets
* change PINE64_SDK_PATH to OBLFR_SDK_PATH