Include mdadm package into ISO

Closes-Bug: #1379181

Change-Id: I8794bb704f9800a807ac99e25819723b6e1720a0
Remove exact version of kernel

Change-Id: Ia5f032cbca85ca7d688df89a3565f6720fc2dfe4
Related-bug: #1381386
Related-bug: #1334769
Merge "Include mdadm package into ISO"
Added case for promo configuration

Change-Id: I4f4ab153d979629d0364bec99337fcee7dd78fc5
Closes-Bug: #1386984