pm: initial version of power management APIs

components/esp32/test/test_pm.c

@@ -0,0 +1,12 @@
+#include <stdio.h>
+#include <stdlib.h>
+#include <time.h>
+#include <sys/time.h>
+#include "unity.h"
+#include "esp_pm.h"
+
+
+TEST_CASE("Can dump power management lock stats", "[pm]")
+{
+    esp_pm_dump_locks(stdout);
+}