Add Tuya dimmable LED controller _TZ3210_syh4kuef variant (#4373)

Author: Niek

zhaquirks/tuya/ts0501bs.py

@@ -40,6 +40,7 @@ class DimmableLedController(CustomDevice):
             ("_TZ3210_dbilpfqk", "TS0501B"),
             ("_TZ3210_agjx0pxt", "TS0501B"),
             ("_TZ3210_d062rv7j", "TS0501B"),
+            ("_TZ3210_syh4kuef", "TS0501B"),
         ],
         ENDPOINTS: {
             # <SimpleDescriptor endpoint=1 profile=260 device_type=257