Added the SweetPea ESP-210 board to the list of supported boards.

Author: PontusO

hardware/esp8266com/esp8266/boards.txt

@@ -318,6 +318,54 @@ huzzah.menu.UploadSpeed.256000.upload.speed=256000
 huzzah.menu.UploadSpeed.921600=921600
 huzzah.menu.UploadSpeed.921600.upload.speed=921600
 
+##############################################################
+esp210.name=SweetPea ESP-210
+
+esp210.upload.tool=esptool
+esp210.upload.speed=115200
+esp210.upload.resetmethod=ck
+esp210.upload.maximum_size=4194304
+esp210.upload.wait_for_upload_port=true
+esp210.serial.disableDTR=true
+esp210.serial.disableRTS=true
+
+esp210.build.mcu=esp8266
+esp210.build.f_cpu=80000000L
+esp210.build.board=ESP8266_ESP210
+esp210.build.core=esp8266
+esp210.build.variant=generic
+esp210.build.flash_mode=qio
+esp210.build.flash_size=4M
+esp210.build.flash_freq=40
+esp210.build.flash_ld=eagle.flash.4m.ld
+esp210.build.spiffs_start=0x100000
+esp210.build.spiffs_end=0x3FB000
+esp210.build.spiffs_pagesize=256
+esp210.build.spiffs_blocksize=8192
+
+esp210.menu.CpuFrequency.80=80 MHz
+esp210.menu.CpuFrequency.80.build.f_cpu=80000000L
+esp210.menu.CpuFrequency.160=160 MHz
+esp210.menu.CpuFrequency.160.build.f_cpu=160000000L
+
+esp210.menu.UploadSpeed.57600=57600
+esp210.menu.UploadSpeed.57600.upload.speed=57600
+esp210.menu.UploadSpeed.115200=115200
+esp210.menu.UploadSpeed.115200.upload.speed=115200
+esp210.menu.UploadSpeed.256000.windows=256000
+esp210.menu.UploadSpeed.256000.upload.speed=256000
+esp210.menu.UploadSpeed.230400.linux=230400
+esp210.menu.UploadSpeed.230400.macosx=230400
+esp210.menu.UploadSpeed.230400.macosx=230400
+esp210.menu.UploadSpeed.230400.upload.speed=230400
+esp210.menu.UploadSpeed.460800.linux=460800
+esp210.menu.UploadSpeed.460800.macosx=460800
+esp210.menu.UploadSpeed.460800.upload.speed=460800
+esp210.menu.UploadSpeed.512000.windows=512000
+esp210.menu.UploadSpeed.512000.upload.speed=512000
+esp210.menu.UploadSpeed.921600=921600
+esp210.menu.UploadSpeed.921600.upload.speed=921600
+
 ##############################################################
 # wifio.name=Wifio
 #