wcnss: add support for configuring the serial number

The WLAN driver needs to know the device serial number.  This change
introduces a sysfs entry to allow userspace to configure the serial
number, and exports an API which allows WLAN and other wireless
technologies to query the serial number.

CRs-Fixed: 334945
Change-Id: Ib3937bef172ecf471d35cf3554289321531c5ea0
Signed-off-by: Jeff Johnson <jjohnson@codeaurora.org>
2 files changed