Add Dell's vendor ID to fastboot.

Change-Id: I1d88d2a8b3f5c0a9bade2a207b5d9c5a0b776655

fastboot/fastboot.c

@@ -150,6 +150,7 @@ int match_fastboot(usb_ifc_info *info)
        (info->dev_vendor != 0x18d1) &&  // Google
        (info->dev_vendor != 0x0451) &&
        (info->dev_vendor != 0x22b8) &&  // Motorola
+       (info->dev_vendor != 0x413c) &&  // DELL
        (info->dev_vendor != 0x0bb4))    // HTC
             return -1;
     if(info->ifc_class != 0xff) return -1;