staging: rtl8192e: Remove entry .tx_fill_cmd_d.. from struct rtl819x_ops

Remove entry .tx_fill_cmd_descriptor and replace it with function name
rtl92e_fill_tx_cmd_desc. This increases readability of the code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/713a48fcd6d56c3cc4e32aea0eeba881e0d092c5.1676840647.git.philipp.g.hortmann@gmail.com


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