[qca-nss-drv] implement coredump signaling between HOST & FW

	Add interrupts to exchange signal between HOST and FW to accomplish
	NSS FW coredump for death-in-host or death-in-fw.
	Add timing control in case interrupt get lost or less core is up.

Change-Id: I22251ab93fbce39f9a7cd60ea47e7862040b7499
Signed-off-by: Guojun Jin <g.jin@codeaurora.org>
6 files changed