qcacmn: add radiotap flags for HE_TRIG frames

HE format in radiotap header are not being updated for HE_TRIG
frames. Add support for it. This is to support MU-OFDMA frames of
UL.

CRs-Fixed: 2223635
Change-Id: If0a93f6047185bcc51948b613d48d13ecb5e16cd
2 files changed