qcacld-3.0: Add support for VHT MCS 10&11

Add support to advertise the VHT MCS 10&11 support using vendor
specific IE to enable the MCS 10 and 11 support in VHT mode.

Change-Id: I2d197dcce20ab4aec617ca8a7f4a54b438fae635
CRs-Fixed: 2465662
21 files changed