gpio: omap5-uevm: Configure the tca6424 gpio expander

Configure the tca6424 gpio expander
This allows use of the debug and tri color LEDs.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
diff --git a/include/configs/omap5_uevm.h b/include/configs/omap5_uevm.h
index 9c045d3..47568e9 100644
--- a/include/configs/omap5_uevm.h
+++ b/include/configs/omap5_uevm.h
@@ -37,6 +37,11 @@
 #define CONFIG_PARTITION_UUIDS
 #define CONFIG_CMD_PART
 
+#define CONFIG_TCA642X
+#define CONFIG_CMD_TCA642X
+#define CONFIG_SYS_I2C_TCA642X_BUS_NUM 4
+#define CONFIG_SYS_I2C_TCA642X_ADDR 0x22
+
 #define CONFIG_SYS_PROMPT		"OMAP5432 uEVM # "
 
 #define CONSOLEDEV		"ttyO2"