Bus manager rework

- move macros to constexpr methods
- introduce type capabilities for UI
- add phase shifting (POC) to PWM
- replace PWM CIE LUT with calculated curve
CIE & phase shifting credit @dedehai

wled00/bus_wrapper.h

@@ -1314,8 +1314,8 @@ class PolyBus {
 
   //gives back the internal type index (I_XX_XXX_X above) for the input
   static uint8_t getI(uint8_t busType, uint8_t* pins, uint8_t num = 0) {
-    if (!IS_DIGITAL(busType)) return I_NONE;
-    if (IS_2PIN(busType)) { //SPI LED chips
+    if (!Bus::isDigital(busType)) return I_NONE;
+    if (Bus::is2Pin(busType)) { //SPI LED chips
       bool isHSPI = false;
       #ifdef ESP8266
       if (pins[0] == P_8266_HS_MOSI && pins[1] == P_8266_HS_CLK) isHSPI = true;