staging: wfx: simplify hif_mib_uc_mc_bc_data_frame_condition

The current API defines bitfields. It is not very convenient. Prefer to
use bitmasks.

Signed-off-by: Jérôme Pouiller <jerome.pouiller@silabs.com>
Link: https://lore.kernel.org/r/20200115135338.14374-33-Jerome.Pouiller@silabs.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>