added a top_module variable which is used in lirc_gpio directory for decision which module (lirc_gpio_p or lirc_gpio_i) to use
added a top_module variable which is used in lirc_gpio directory for decision which module (lirc_gpio_p or lirc_gpio_i) to use

stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc,stb-tester/lirc