soc: qcom: Add snapshot for QSEE IPC IRQ driver

This snapshot is taken as of msm-4.19 'commit <d2f41beab007i>
("Merge "msm: npu: Add bandwidth monitor support"")'.
Update made to the license.

This is a basic driver for cascading interrupts from QSEE. This
driver will perform the common interrupt handling code for interrupts
from QSEE incluiding clearing the interrupt through a register write.

Change-Id: I8336a60749d3d642c96d0d045f0874f56812d04e
Signed-off-by: Jay Jayanna <jayanna@codeaurora.org>