Updates Kuberef to use BMRA v21.08

Updates BMRA tag to v21.08
Updates Kuberef templates for BMRA configuration
Updates idf.yml (hw_config) to match changes to BMRA
Adds new and updated BMRA patches
Fixes a few bugs in functions.sh

Signed-off-by: Michael S. Pedersen <michaelx.pedersen@intel.com>
Change-Id: Ifbd4d60af76dac45e49145f00cbeb90de0f7c719
Reviewed-on: https://gerrit.opnfv.org/gerrit/c/kuberef/+/72927
Tested-by: jenkins-ci <jenkins-opnfv-ci@opnfv.org>
Reviewed-by: Rihab Banday <rihab.banday@ericsson.com>