UMAC HW reset feature will be using the last interrupt context in each
DP interrupt combination i.e., on a system with more than 8 MSIs for DP,
UMAC HW reset will be assigned a dedicated interrupt context.
Add the necessary support for the same.
CRs-Fixed: 3163900
Change-Id: I26abd01e4261661ed95e1aa3cb2a774e78b50d9f