wil6210: add bcast structures to WMI

Sync with the wmi definitions from the firmware team

Change-Id: Ib8c1f3cb4d8071b5352b42c87d985f9ccf882805
Signed-off-by: Vladimir Kondratiev <qca_vkondrat@qca.qualcomm.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
Git-commit: 62bfd30031faebcbf25db37bf228eeab0e25b2c3
Git-repo: git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless-testing.git


Signed-off-by: Hamad Kadmany <hkadmany@codeaurora.org>