add sdk options to "generic esp8285 module" (#7550)

* add sdk options to "generic esp8255 module"
upgrade esp8285 variant to full generic device

Author: 5chufti

boards.txt

@@ -718,6 +718,18 @@ esp8285.menu.led.15=15
 esp8285.menu.led.15.build.led=-DLED_BUILTIN=15
 esp8285.menu.led.16=16
 esp8285.menu.led.16.build.led=-DLED_BUILTIN=16
+esp8285.menu.sdk.nonosdk_190703=nonos-sdk 2.2.1+100 (190703)
+esp8285.menu.sdk.nonosdk_190703.build.sdk=NONOSDK22x_190703
+esp8285.menu.sdk.nonosdk_191122=nonos-sdk 2.2.1+119 (191122)
+esp8285.menu.sdk.nonosdk_191122.build.sdk=NONOSDK22x_191122
+esp8285.menu.sdk.nonosdk_191105=nonos-sdk 2.2.1+113 (191105)
+esp8285.menu.sdk.nonosdk_191105.build.sdk=NONOSDK22x_191105
+esp8285.menu.sdk.nonosdk_191024=nonos-sdk 2.2.1+111 (191024)
+esp8285.menu.sdk.nonosdk_191024.build.sdk=NONOSDK22x_191024
+esp8285.menu.sdk.nonosdk221=nonos-sdk 2.2.1 (legacy)
+esp8285.menu.sdk.nonosdk221.build.sdk=NONOSDK221
+esp8285.menu.sdk.nonosdk3v0=nonos-sdk pre-3 (180626 known issues)
+esp8285.menu.sdk.nonosdk3v0.build.sdk=NONOSDK3V0
 esp8285.menu.ip.lm2f=v2 Lower Memory
 esp8285.menu.ip.lm2f.build.lwip_include=lwip2/include
 esp8285.menu.ip.lm2f.build.lwip_lib=-llwip2-536-feat

tools/boards.txt.py

@@ -288,6 +288,7 @@
             'flashfreq_40',
             '1M', '2M',
             'led',
+            'sdk',
             ],
         'desc': [ 'ESP8285 (`datasheet <http://www.espressif.com/sites/default/files/0a-esp8285_datasheet_en_v1.0_20160422.pdf>`__) is a multi-chip package which contains ESP8266 and 1MB flash. All points related to bootstrapping resistors and recommended circuits listed above apply to ESP8285 as well.',
                   '',