Enforce use of flash mode DOUT

To solve boot problems on increasing amount of esp8285 based devices
using the wrong firmware image. Dout works fine with both esp8266 and
esp8285

platformio.ini

@@ -12,42 +12,32 @@ src_dir = sonoff
 
 ; Uncomment one of the lines below to build/upload only one environment
 ;env_default = sonoff
-;env_default = sonoff-touch-4ch-bnsz
 ;env_default = sonoff-minimal
 ;env_default = sonoff-ds18x20
 
-; Sonoff et al (ESP8266 based)
+; Sonoff et al
 [env:sonoff]
 platform = espressif8266
 framework = arduino
 board = esp01_1m
-board_flash_mode = qio
-build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512
-lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
-
-; Sonoff Touch, Sonoff 4CH and Sonoff BN-SZ01 (ESP8285 based)
-[env:sonoff-touch-4ch-bnsz]
-platform = espressif8266
-framework = arduino
-board = esp01_1m
 board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
 
-; Sonoff minimal (ESP8266 based)
+; Sonoff minimal
 [env:sonoff-minimal] ; Placeholder to be configured
 platform = espressif8266
 framework = arduino
 board = esp01_1m
-board_flash_mode = qio
+board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=512 -DBE_MINIMAL
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON
 
-; Sonoff multiple DS18x20 (ESP8266 based)
+; Sonoff multiple DS18x20
 [env:sonoff-ds18x20]
 platform = espressif8266
 framework = arduino
 board = esp01_1m
-board_flash_mode = qio
+board_flash_mode = dout
 build_flags = -Wl,-Tesp8266.flash.1m0.ld -DMQTT_MAX_PACKET_SIZE=758 -DUSE_DS18x20 -DMESSZ=600
 lib_deps = PubSubClient, NeoPixelBus, IRremoteESP8266, ArduinoJSON, OneWire