Add Seeed Studio mmWave Kit MR24HPC1 (#5761)

Co-authored-by: Jesse Hills <3060199+jesserockz@users.noreply.github.com>
Co-authored-by: Peter Pan <twinkle-pirate@hotmail.com>

esphome/components/seeed_mr24hpc1/select/motion_boundary_select.cpp

@@ -0,0 +1,15 @@
+#include "motion_boundary_select.h"
+
+namespace esphome {
+namespace seeed_mr24hpc1 {
+
+void MotionBoundarySelect::control(const std::string &value) {
+  this->publish_state(value);
+  auto index = this->index_of(value);
+  if (index.has_value()) {
+    this->parent_->set_motion_boundary(index.value());
+  }
+}
+
+}  // namespace seeed_mr24hpc1
+}  // namespace esphome