wcnss: Add support for nv bin download at coldboot

NV bin is downloaded when wlan driver is loaded. This change
adds support for NV bin download during coldboot of WCNSS and
thus much before wlan driver is loaded. NV bin id not downloaded
by platform driver during SSR.

Change-Id: I7dfc07c59a7802121d51f7df3a47b1f272f96e4a
CRs-Fixed: 449786
Acked-by: Rajesh Chauhan <rajeshc@qca.qualcomm.com>
Signed-off-by: Sameer Thalappil <sameert@codeaurora.org>
Merge "wcnss: Add support for nv bin download at coldboot"