POSIX: Fixed orb_advertise failure

There were an insufficient number of devmap entries allocated and
when they ran out, new orb_advertise requests would fail.

Also added a new logging macro for the Linux build to show the
calling pthread if enabled.

Signed-off-by: Mark Charlebois <charlebm@gmail.com>

src/modules/simulator/simulator.cpp

@@ -63,6 +63,9 @@ Simulator *Simulator::getInstance()
 
 bool Simulator::getMPUReport(uint8_t *buf, int len)
 {
+	// Reads are paced from reading gyrosim and if
+	// we don't delay here we read too fast
+	usleep(50000);
 	return _mpu.copyData(buf, len);
 }