CF/BF - Restore BST_API_VERSION and BST_BUILD_INFO based on updated

CF/BF - Restore BST_API_VERSION and BST_BUILD_INFO based on updated
requirements from TBS engineers.

Larry Ho: "
BST_MAG_CALIBRATION,
BST_ACC_CALIBRATION,
BST_SET_PID,
BST_SET_RC_TUNING,
BST_SET_LOOP_TIME,
BST_SELECT_SETTING,
BST_SET_RX_MAP,
BST_SET_MISC,
BST_SET_DEADBAND,
BST_SET_FC_FILTERS,
BST_SET_FEATURE,
BST_SET_RX_CONFIG,
BST_SET_MODE_RANGE,
BST_SET_LED_COLORS,
BST_SET_LED_STRIP_CONFIG,
BST_EEPROM_WRITE,
BST_REBOOT,
BST_DISARM,
BST_ENABLE_ARM,

BST_PID,
BST_STATUS,
BST_RC_TUNING,
BST_LOOP_TIME,
BST_RX_MAP,
BST_MISC,
BST_DEADBAND,
BST_FC_FILTERS,
BST_FEATURE,
BST_RX_CONFIG,
BST_LED_COLORS,
BST_LED_STRIP_CONFIG,
BST_API_VERSION"

There was a required to keep `BST_BF_BUILD_INFO`, which is not on the
list above, but has been deprecated for ages.  Since it was never used
we will keep the replacement `BS_BUILD_INFO` instead.

Dominic Clifton: "I will keep BST_BUILD_INFO and BST_API_VERSION and all
the ones on your list above."