staging: rts5208: remove unnecessary parentheses in rtsx_transport.c

This commit removes unnecessary parentheses, that have been flagged
by checkpatch.pl in rtsx_transport.c.

Signed-off-by: Benjamin Philip <benjamin.philip495@gmail.com>
Link: https://lore.kernel.org/r/2fdcc64fbfa85482917d229163e4eb6c4094b789.1632209460.git.benjamin.philip495@gmail.com


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