SPI HAL implemented and more (#207)

- Cleanup unused code and move ISR/IRQ checks to `Kernel.h`
- Improve clang-format
- Fix for LVGL lock transfer: ensure lock isn't activate when changing the lock
- Implement SPI HAL
- Remove `initHardware` HAL configuration entry
- Fix `I2cScanner`: don't scan when port isn't started

TactilityHeadless/Source/kernel/SystemEvents.cpp

@@ -30,6 +30,10 @@ static const char* getEventName(SystemEvent event) {
             return TT_STRINGIFY(BootInitI2cBegin);
         case BootInitI2cEnd:
             return TT_STRINGIFY(BootInitI2cEnd);
+        case BootInitSpiBegin:
+            return TT_STRINGIFY(BootInitSpiBegin);
+        case BootInitSpiEnd:
+            return TT_STRINGIFY(BootInitSpiEnd);
         case BootInitLvglBegin:
             return TT_STRINGIFY(BootInitLvglBegin);
         case BootInitLvglEnd: