add more predefined configs

platformio.ini

@@ -126,6 +126,15 @@ build_flags =
 upload_port = /dev/esp32
 upload_protocol = esptool
 
+[env:m5stickc-atom-generic]
+board = m5stick-c
+lib_deps = ${env.lib_deps}
+build_flags = 
+	-D BOARD_M5STICK -D HAS_RTC -D HAS_M5LCD
+	${env.build_flags}
+upload_port = /dev/esp32
+upload_protocol = esptool
+
 [env:nodemcu-homberger]
 board = nodemcu-32s
 lib_deps = ${env.lib_deps}