fix: the vcan2 driver is /dev/vcan, not /dev/vcan2

mCANSupport/vcan_iocsh.c

@@ -110,9 +110,9 @@ int vcanConfigCards(int base_addr, int max_cards)
         base_addr = VCAN_DEFAULT_BASE_ADDR;
     }
     if (vcanDrvp(base_addr, VCAN_INT_VEC_BASE, max_cards) == 0) {
-        handle = open("/dev/vcan2", O_WRONLY, 0666);
+        handle = open("/dev/vcan", O_WRONLY, 0666);
         if (handle == -1) {
-            fprintf(stderr, "error: vcan open failed (%s)\n", strerror(errno));
+            fprintf(stderr, "error: vcan2 open failed (%s)\n", strerror(errno));
             return -1;
         }
         fprintf(stderr, "success: vcan2 driver configured\n");
@@ -121,7 +121,7 @@ int vcanConfigCards(int base_addr, int max_cards)
     if (vcan4Drvp(base_addr, VCAN_INT_VEC_BASE, max_cards) == 0) {
         handle = open("/dev/vcan4", O_WRONLY, 0666);
         if (handle == -1) {
-            fprintf(stderr, "error: vcan open failed (%s)\n", strerror(errno));
+            fprintf(stderr, "error: vcan4 open failed (%s)\n", strerror(errno));
             return -1;
         }
         fprintf(stderr, "success: vcan4 driver configured\n");