[SERIAL][BREAKING] RS232 change to SERIAL GATEWAY (#2008)

Make the RS232 more generic by converting it to a Serial Gateway
Add the capability to decode BLE data coming through Serial

environments.ini

@@ -1325,7 +1325,7 @@ build_flags =
 board_build.flash_mode = dout
 custom_description = Infrared gateway using IRremoteESP8266
 
-[env:nodemcuv2-rs232]
+[env:nodemcuv2-serial]
 platform = ${com.esp8266_platform}
 board = nodemcuv2
 lib_deps =
@@ -1334,10 +1334,10 @@ lib_deps =
   ${libraries.esp8266_mdns}
 build_flags =
   ${com-esp.build_flags}
-  '-DZgatewayRS232="RS232"'
-  '-DGateway_Name="OMG_ESP8266_RS232"'
+  '-DZgatewaySERIAL="SERIAL"'
+  '-DGateway_Name="OMG_ESP8266_SERIAL"'
 board_build.flash_mode = dout
-custom_description = RS232 gateway
+custom_description = SERIAL gateway
 
 [env:avatto-bakeey-ir]
 platform = ${com.esp8266_platform}