use BSEC2 for ESP32-C3

arch/esp32/esp32c3.ini

@@ -25,6 +25,7 @@ build_flags =
   -DCONFIG_NIMBLE_CPP_LOG_LEVEL=2
   -DCONFIG_BT_NIMBLE_MAX_CCCDS=20
   -DESP_OPENSSL_SUPPRESS_LEGACY_WARNING
+  -DUSE_BSEC2
   ;-DDEBUG_HEAP
   
 lib_deps =
@@ -35,9 +36,13 @@ lib_deps =
   h2zero/NimBLE-Arduino@^1.4.0
   https://github.com/lewisxhe/XPowersLib.git#84b7373faea3118b6c37954d52f98b8a337148d6
   https://github.com/meshtastic/ESP32_Codec2.git#633326c78ac251c059ab3a8c430fcdf25b41672f
-lib_ignore = 
+  boschsensortec/BSEC2 Software Library@^1.3.2200
+  boschsensortec/BME68x Sensor Library@^1.1.40407
+
+lib_ignore =
   segger_rtt
   ESP32 BLE Arduino
+  BSEC Software Library
 
 ; customize the partition table
 ; http://docs.platformio.org/en/latest/platforms/espressif32.html#partition-tables