merge: Update `check_dpkg` function
merge: Update `check_dpkg` function

fixes: https://github.com/RobertCNelson/armv7-multiplatform/pull/40
Signed-off-by: Robert Nelson <d6c41255011d14bfa93d8562b946ca186cfa0c7b@gmail.com>

RobertCNelson/stable-kernel