i2c: fix dangling comment in do_i2c_mw()

commit bd3784df94bfeca43fbf34094df9cb1bd3ecca3b deleted some unused
code in do_i2c_mw(), but missed to also remove the respective
commment. This patch fixes this.

Signed-off-by: Heiko Schocher <hs@denx.de>
1 file changed