Implemented support for the TLC5971 as an output component (#6494)

esphome/components/tlc5971/output/tlc5971_output.cpp

@@ -0,0 +1,12 @@
+#include "tlc5971_output.h"
+
+namespace esphome {
+namespace tlc5971 {
+
+void TLC5971Channel::write_state(float state) {
+  auto amount = static_cast<uint16_t>(state * 0xffff);
+  this->parent_->set_channel_value(this->channel_, amount);
+}
+
+}  // namespace tlc5971
+}  // namespace esphome