All: add check for mount and boot partition

1. add check for the mount result
2. add check for the existence of boot partition
3. add remount for update modules

Change-Id: I0e6260e5fdec16309b92dd57f161b15eb8de0648
Signed-off-by: Yongqin Liu <yongqin.liu@linaro.org>
2 files changed
tree: 15c88218e8450f281dd25e8276f4018782a33ab7
  1. update-android.sh
  2. update-uInitrd.sh