Linux: enabled commander module

The commander module now compiles for Linux.

state_machine_helper_linux.cpp iterates over the virtual devices vs
all devices under /dev as per NuttX when disabling publishing.

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

src/modules/commander/commander.cpp

@@ -53,7 +53,7 @@
 #include <errno.h>
 #include <systemlib/err.h>
 #include <systemlib/circuit_breaker.h>
-#include <debug.h>
+//#include <debug.h>
 #include <sys/prctl.h>
 #include <sys/stat.h>
 #include <string.h>