Fix console serial option. auto-serial-console checks serial
configuration.

Signed-off-by: Fathi Boudra <fathi.boudra@linaro.org>
diff --git a/hwpacks/linaro-highbank b/hwpacks/linaro-highbank
index d024d53..92ca098 100644
--- a/hwpacks/linaro-highbank
+++ b/hwpacks/linaro-highbank
@@ -20,10 +20,10 @@
 mmc_id: '0:1'
 kernel_file: boot/vmlinuz-*-highbank
 initrd_file: boot/initrd.img-*-highbank
-dtb_file: lib/firmware/*-highbank/device-tree/highbank.dtb
+#dtb_file: lib/firmware/*-highbank/device-tree/highbank.dtb
 boot_script: boot.scr
 extra_serial_options:
-- console=ttyAMA0
+- console=ttyAMA0,115200n8
 assume_installed:
 - linaro-headless
 packages: