staging: rtl8192e: Rename rateCountDi.., ContinueDif.. and TxCounter

Rename variable rateCountDiffRecord to rate_count_diff_rec,
ContinueDiffCount to continue_diff_count and TxCounter to tx_counter to
avoid CamelCase which is not accepted by checkpatch.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/c1e168e60a987ae64b64490c04ad79fd0f2f7583.1673812849.git.philipp.g.hortmann@gmail.com


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