staging: rtl8192e: Replace macro iwe_stream_add_point_rsl with standard function

Replace macro iwe_stream_add_point_rsl with standard function
iwe_stream_add_point to increase readability.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/563af664b3186e73d99f73a6396f8ebcd3c52be2.1679504314.git.philipp.g.hortmann@gmail.com


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