staging: rtl8192e: Rename DM_RxPathSelTable

Rename variable DM_RxPathSelTable to dm_rx_path_sel_table to avoid
CamelCase which is not accepted by checkpatch. Remove "extern struct
drx_path_sel DM_RxPathSelTable;" in rtl_dm.h as it is dead code.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/8846ad13a4ee4b534d2410c9bca0c2943500c858.1675792435.git.philipp.g.hortmann@gmail.com


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