Spi dynamic speed (#432)

src/internal/NeoEspBitBangMethod.h

@@ -278,6 +278,8 @@ public:
 template<typename T_SPEED, typename T_PINSET> class NeoEspBitBangMethodBase
 {
 public:
+    typedef NeoNoSettings SettingsObject;
+
     NeoEspBitBangMethodBase(uint8_t pin, uint16_t pixelCount, size_t elementSize, size_t settingsSize) :
         _sizeData(pixelCount * elementSize + settingsSize),
         _pin(pin)
@@ -354,6 +356,10 @@ public:
         return _sizeData;
     };
 
+    void applySettings(const SettingsObject& settings)
+    {
+    }
+
 private:
     const size_t  _sizeData;   // Size of '_data' buffer below
     const uint8_t _pin;            // output pin number