Adding definition for TM1812, confirmed alias for TM1809 in FastLED#221

Author: focalintent

FastLED.h

@@ -74,6 +74,7 @@ enum OWS2811 { OCTOWS2811,OCTOWS2811_400 };
 #ifdef FASTLED_HAS_CLOCKLESS
 template<uint8_t DATA_PIN> class NEOPIXEL : public WS2812Controller800Khz<DATA_PIN, GRB> {};
 template<uint8_t DATA_PIN, EOrder RGB_ORDER> class TM1829 : public TM1829Controller800Khz<DATA_PIN, RGB_ORDER> {};
+template<uint8_t DATA_PIN, EOrder RGB_ORDER> class TM1812 : public TM1809Controller800Khz<DATA_PIN, RGB_ORDER> {};
 template<uint8_t DATA_PIN, EOrder RGB_ORDER> class TM1809 : public TM1809Controller800Khz<DATA_PIN, RGB_ORDER> {};
 template<uint8_t DATA_PIN, EOrder RGB_ORDER> class TM1804 : public TM1809Controller800Khz<DATA_PIN, RGB_ORDER> {};
 template<uint8_t DATA_PIN, EOrder RGB_ORDER> class TM1803 : public TM1803Controller400Khz<DATA_PIN, RGB_ORDER> {};