core: add equality function to mako template too

core/src/apps/common/coininfo.py.mako

@@ -63,6 +63,11 @@ class CoinInfo:
             self.sign_hash_double = True
             self.script_hash = sha256_ripemd160_digest
 
+    def __eq__(self, other):
+        if not isinstance(other, CoinInfo):
+            return NotImplemented
+        return self.coin_name == other.coin_name
+
 
 # fmt: off
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