Include hw/sw i2c based on preprocessor macros

src/driver/lm75.cc

 #include "driver/lm75.h"
+#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)
 #include "driver/i2c.h"
+#else
+#include "driver/soft_i2c.h"
+#endif
 
 float LM75::getTemp()
 {

src/driver/mmsimple.cc

 #include "driver/mmsimple.h"
+#if defined(MULTIPASS_ARCH_HAS_I2C) && !defined(DRIVER_SOFTI2C)
 #include "driver/i2c.h"
+#else
+#include "driver/soft_i2c.h"
+#endif
 
 void MicroMoodySimple::sendCmd(unsigned char byte)
 {