Replace spi_recv with macro
Replace spi_recv with macro

* Set baudrate prescaler to 2

SmartArduino/openmv,kwagyeman/openmv,SmartArduino/openmv,kwagyeman/openmv,tianzhihen/openmv,kwagyeman/openmv,iabdalkader/openmv,SmartArduino/openmv,SmartArduino/openmv,iabdalkader/openmv,openmv/openmv,tianzhihen/openmv,kwagyeman/openmv,tianzhihen/openmv,iabdalkader/openmv,openmv/openmv,tianzhihen/openmv,iabdalkader/openmv,openmv/openmv,openmv/openmv