Correct storage-derived RAM values in toshiba device records

Author: Seungpyo1007

data/smartphone/toshiba/2011/windows-phone-is12t.json

@@ -5,12 +5,13 @@
   "brand": "toshiba",
   "soc": "qualcomm-msm8655-snapdragon-s2",
   "release_date": "2011-01-01",
-  "ram_gb": 32,
+  "ram_gb": 0.5,
   "battery_mah": 1460,
   "weight_g": 113.0,
   "os": "Windows Mobile",
   "verified": false,
   "source_urls": [
+    "https://en.wikipedia.org/wiki/Fujitsu_Toshiba_IS12T",
     "https://www.kaggle.com/datasets/msainani/gsmarena-mobile-devices"
   ],
   "storage_options_gb": [