add kiss radio env to most of the variants

variants/wio-tracker-l1/platformio.ini

@@ -111,3 +111,8 @@ lib_deps = ${WioTrackerL1.lib_deps}
   adafruit/RTClib @ ^2.1.3
   densaugeo/base64 @ ~1.4.0
   end2endzone/NonBlockingRTTTL@^1.3.0
+
+[env:WioTrackerL1_kiss_modem]
+extends = WioTrackerL1
+build_src_filter = ${WioTrackerL1.build_src_filter}
+  +<../examples/kiss_modem/>