defs: enable Decred for T2

defs/support.json

@@ -929,6 +929,7 @@
       "bitcoin:BTG": "2.0.7",
       "bitcoin:DASH": "2.0.5",
       "bitcoin:DGB": "2.0.5",
+      "bitcoin:DCR": "2.0.8",
       "bitcoin:DNR": "soon",
       "bitcoin:DOGE": "2.0.5",
       "bitcoin:FJC": "2.0.5",
@@ -945,6 +946,7 @@
       "bitcoin:TAZ": "2.0.7",
       "bitcoin:TBCH": "2.0.7",
       "bitcoin:TBTG": "soon",
+      "bitcoin:TDCR": "2.0.8",
       "bitcoin:TEST": "2.0.5",
       "bitcoin:TLTC": "2.0.7",
       "bitcoin:VIA": "2.0.7",
@@ -1618,8 +1620,6 @@
     "unsupported": {
       "bitcoin:BTX": "address_type collides with Bitcoin",
       "bitcoin:CRW": "address_type collides with Bitcoin",
-      "bitcoin:DCR": "not implemented on Trezor T",
-      "bitcoin:TDCR": "not implemented on Trezor T",
       "bitcoin:TRC": "address_type collides with Bitcoin",
       "erc20:etc:PLAY": "(AUTO) duplicate key",
       "erc20:eth:ATH": "(AUTO) duplicate key",