esp32/boards: Update the product name for some UM boards.

The previous deploy.md refactors revealed that these boards had a different
"product" entry in boards.json compared to the name given in the board.md
file.

This work was funded through GitHub Sponsors.

Signed-off-by: Angus Gratton <angus@redyak.com.au>

ports/esp32/boards/UM_FEATHERS2/board.json

@@ -24,7 +24,7 @@
         "unexpectedmaker_feathers2.jpg"
     ],
     "mcu": "esp32s2",
-    "product": "Feather S2",
+    "product": "FeatherS2",
     "thumbnail": "",
     "url": "https://feathers2.io/",
     "vendor": "Unexpected Maker"

ports/esp32/boards/UM_FEATHERS2NEO/board.json

@@ -24,7 +24,7 @@
         "unexpectedmaker_feathers2neo.jpg"
     ],
     "mcu": "esp32s2",
-    "product": "Feather S2 Neo",
+    "product": "FeatherS2 Neo",
     "thumbnail": "",
     "url": "https://unexpectedmaker.com/feathers2-neo",
     "vendor": "Unexpected Maker"

ports/esp32/boards/UM_TINYS2/board.json

@@ -23,7 +23,7 @@
         "unexpectedmaker_tinys2.jpg"
     ],
     "mcu": "esp32s2",
-    "product": "Tiny S2",
+    "product": "TinyS2",
     "thumbnail": "",
     "url": "https://unexpectedmaker.com/tinys2",
     "vendor": "Unexpected Maker"