staging: vt6655: Cleanup and rename function MACvSetCurrTXDescAddr

Rename function MACvSetCurrTXDescAddr to vt6655_mac_set_curr_tx_desc_addr
and iTxType to tx_type to avoid CamelCase which is not accepted by
checkpatch.pl. Remove unnecessary line break.

Signed-off-by: Philipp Hortmann <philipp.g.hortmann@gmail.com>
Link: https://lore.kernel.org/r/88dcbac76f6bad8b4eb68a3cb37cd4f9684294a0.1662890990.git.philipp.g.hortmann@gmail.com


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