Revert "bsp: Remove irq0-stub"

This reverts commit ca1609bb7808eaacaaaa8fb71ed7c43e0bfd6371.

Patch 1/2 from Broadcom to fix IR input handling for Nexus 15.3 bcmdriver.
Should not be needed for Nexus 16.1 bcmdriver.

Change-Id: Ib64b1c4dbce7d4b9731a5825b6c05835dd93a6ca
3 files changed