Print the device name when we get a read error

(cherry picked from commit 5c074af5a9)

src/evdev.c

@@ -162,7 +162,7 @@ EvdevReadInput(InputInfoPtr pInfo)
         if (len != sizeof ev) {
             /* The kernel promises that we always only read a complete
              * event, so len != sizeof ev is an error. */
-            xf86Msg(X_ERROR, "Read error: %s\n", strerror(errno));
+            xf86Msg(X_ERROR, "%s: Read error: %s\n", pInfo->name, strerror(errno));
             break;
         }