fix incorrect ram and flash sizes in board jsons

boards/thinknode_m1.json

@@ -53,7 +53,7 @@
   ],
   "name": "elecrow eink",
   "upload": {
-    "maximum_ram_size": 248832,
+    "maximum_ram_size": 235520,
     "maximum_size": 815104,
     "speed": 115200,
     "use_1200bps_touch": true,