staging: rtl8192e: Rename eeprom_CustomerID, SwChnlStage and SwChnlStep

Rename variable eeprom_CustomerID to eeprom_customer_id, SwChnlStage to
sw_chnl_stage and SwChnlStep to sw_chnl_step 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/0d2e7bbd3a2f80d4652d4131c82294e172a2de30.1674336211.git.philipp.g.hortmann@gmail.com


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