driver/i2c/mxc: Enable I2C bus 3 and 4
Some SoCs have more than two I2C busses. Instead of adding ifdef
to the driver, macros are put into board header file where
CONFIG_SYS_I2C_MXC is defined.
Signed-off-by: York Sun <yorksun@freescale.com>
CC: Heiko Schocher <hs@denx.de>
diff --git a/include/configs/mx53loco.h b/include/configs/mx53loco.h
index 3551e02..a56e72e 100644
--- a/include/configs/mx53loco.h
+++ b/include/configs/mx53loco.h
@@ -76,6 +76,7 @@
/* I2C Configs */
#define CONFIG_SYS_I2C
#define CONFIG_SYS_I2C_MXC
+#define CONFIG_SYS_I2C_MXC_I2C3 /* enable I2C bus 3 */
/* PMIC Controller */
#define CONFIG_POWER