i2c: omap: Update to use standard enums for speed

Update this driver to use the new standard enums for speed.

Note: This driver needs to move to driver model.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
diff --git a/drivers/i2c/omap24xx_i2c.c b/drivers/i2c/omap24xx_i2c.c
index 4b93e02..7e6e3c4 100644
--- a/drivers/i2c/omap24xx_i2c.c
+++ b/drivers/i2c/omap24xx_i2c.c
@@ -306,7 +306,7 @@
 	int hsscll = 0, hssclh = 0;
 	u32 scll = 0, sclh = 0;
 
-	if (speed >= OMAP_I2C_HIGH_SPEED) {
+	if (speed >= I2C_SPEED_HIGH_RATE) {
 		/* High speed */
 		psc = I2C_IP_CLK / I2C_INTERNAL_SAMPLING_CLK;
 		psc -= 1;