WS: Fixed EU domain channel numbers in neighbor class

Author: Jarkko Paso

source/6LoWPAN/ws/ws_neighbor_class.c

@@ -109,9 +109,9 @@ static uint16_t ws_common_channel_number_calc(uint8_t regulatory_domain, uint8_t
         } else if (operating_class == 2) {
             return 35;
         } else if (operating_class == 3) {
-            return 59;
+            return 55;
         } else if (operating_class == 4) {
-            return 30;
+            return 27;
         } else {
             return 0;
         }