Update erc20_2.json

Author: Kwonhyukjoon

chain/berachain/erc20_2.json

@@ -96,7 +96,7 @@
         "type": "erc20",
         "contract": "0xCC0966D8418d412c599A6421b760a847eB169A8c",
         "name" : "SolvBTC Babylon",
-        "symbol": "SolvBTC",
+        "symbol": "SolvBTC.BBN",
         "description": "SolvBTC Babylon",
         "decimals": 18,
         "image": "https://raw.githubusercontent.com/cosmostation/chainlist/master/chain/berachain/asset/solvbtc.png",