config AVB_LIBAVB_AB
	bool "Choose the a/b system and flow"
	help
	  In the android things system, there are
	  _a and _b or more systems. So we have to
	  choose the _a or _b system to startup.
	  This libavb_ab can suport these functions.

config SPL_AVB_LIBAVB_AB
	bool "Choose the a/b system and flow for spl"
	help
	  In the android things system, there are
	  _a and _b or more systems. So we have to
	  choose the _a or _b system to startup.
	  This libavb_ab can suport these functions.

config TPL_AVB_LIBAVB_AB
	bool "Choose the a/b system and flow for tpl"
	help
	  In the android things system, there are
	  _a and _b or more systems. So we have to
	  choose the _a or _b system to startup.
	  This libavb_ab can suport these functions.