Rework tlc5947 to remove AUTO_LOAD (#6503)

esphome/components/tlc5947/output/tlc5947_output.cpp

@@ -0,0 +1,12 @@
+#include "tlc5947_output.h"
+
+namespace esphome {
+namespace tlc5947 {
+
+void TLC5947Channel::write_state(float state) {
+  auto amount = static_cast<uint16_t>(state * 0xfff);
+  this->parent_->set_channel_value(this->channel_, amount);
+}
+
+}  // namespace tlc5947
+}  // namespace esphome