1. Fix the error of source the wrong config file in startup.sh
2. Fix the error of adding the KUBECONFIG to the ~/.profile, which
would not be sourced when starting a BASH, it should be set in
~/.bashrc.
Change-Id: I98051d824788e9d950dc6b0b0634e08ea6bfe14d Signed-off-by: trevor tao <trevor.tao@arm.com>