i2c-eg20t: modified the setting of transfer rate.

commit ff35e8b1 upstream.

This patch modified the setting value of
I2C Bus Transfer Rate Setting Counter regisrer.

Signed-off-by: Toshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>