ref: ad1df2d2a01bd064e643287ff305673dfede3ce3
dir: /boards/xtensa/ttgo_lora32/Kconfig.defconfig/
config BOARD default "ttgo_lora32" depends on BOARD_TTGO_LORA32 config ENTROPY_GENERATOR default y config HEAP_MEM_POOL_SIZE default 98304 if WIFI default 40960 if BT default 4096 choice BT_HCI_BUS_TYPE default BT_ESP32 if BT endchoice