wil6210: Add support for 11ad platform driver

Platform driver used to handle msm specific platform
requirement for 11ad chipset connected to msm platform

Change-Id: I13c5b5a76bc17393e486c400bdfb90e4ef89e270
CRs-Fixed: 2143032
Signed-off-by: Alexei Avshalom Lazar <ailizaro@codeaurora.org>