i2c-eg20t: modified the setting of transfer rate.

This patch modified the setting value of
I2C Bus Transfer Rate Setting Counter regisrer.
Signed-off-by: NToshiharu Okada <toshiharu-linux@dsn.okisemi.com>
Signed-off-by: NBen Dooks <ben-linux@fluff.org>

drivers/i2c/busses/i2c-eg20t.c

@@ -243,7 +243,7 @@ static void pch_i2c_init(struct i2c_algo_pch_data *adap)
 	if (pch_clk > PCH_MAX_CLK)
 		pch_clk = 62500;
 
-	pch_i2cbc = (pch_clk + (pch_i2c_speed * 4)) / pch_i2c_speed * 8;
+	pch_i2cbc = (pch_clk + (pch_i2c_speed * 4)) / (pch_i2c_speed * 8);
 	/* Set transfer speed in I2CBC */
 	iowrite32(pch_i2cbc, p + PCH_I2CBC);