staging: rtl8192e: Rename tmpOFDMindex and tmpCCKindex

Rename variable tmpOFDMindex to tmp_ofdm_index and
tmpCCKindex to tmp_cck_index to avoid CamelCase which
is not accepted by checkpatch.

Signed-off-by: Yogesh Hegde <yogi.kernel@gmail.com>
Tested-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/48098479094e4562fe196cbce813476041a664df.1683730854.git.yogi.kernel@gmail.com


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