Bluetooth build fail when power management is enabled

Closes https://github.com/espressif/esp-idf/issues/9081

components/bt/controller/esp32/bt.c

@@ -35,6 +35,7 @@
 #include "soc/dport_reg.h"
 #include "esp32/clk.h"
 #include "esp_coexist_internal.h"
+#include "esp_timer.h"
 #if !CONFIG_FREERTOS_UNICORE
 #include "esp_ipc.h"
 #endif