/low_mem/ and $ret .= "\tselect LOW_MEMORY_FOOTPRINT\n";
/small_flash/ and $ret .= "\tselect SMALL_FLASH\n";
/nand/ and $ret .= "\tselect NAND_SUPPORT\n";
/low_mem/ and $ret .= "\tselect LOW_MEMORY_FOOTPRINT\n";
/small_flash/ and $ret .= "\tselect SMALL_FLASH\n";
/nand/ and $ret .= "\tselect NAND_SUPPORT\n";