ipq: Add support to pack wififw images on availability

This change adds "optional" property to avoid pack error
on unavailability of wififw version-specific binaries and
abort while flashing.

Change-Id: I7351e3e717f12b1e730db710b4364404d177768d
Signed-off-by: Pavithra Palanisamy <pavip@codeaurora.org>
1 file changed