staging: rtl8723bs: remove typedefs from rtl8723b_recv.h

Remove typedefs from include/rtl8723b_recv.h and convert one usage in
hal/rtl8723bs_recv.c to use the actual structure name in its pointer
declaration. Fixes two checkpatch warnings.

Signed-off-by: Phillip Potter <phil@philpotter.co.uk>
Link: https://lore.kernel.org/r/20210209141051.4739-1-phil@philpotter.co.uk


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