i2c-nomadik: support smbus emulation

We can do smbus emulation so flag this and drop the duplicate
flags implied from smbus emulation.

Acked-by: Srinidhi Kasagar <srinidhi.kasagar@stericsson.com>
Signed-off-by: Sundar R Iyer <sundar.iyer@stericsson.com>
Signed-off-by: Linus Walleij <linus.walleij@stericsson.com>
Signed-off-by: Ben Dooks <ben-linux@fluff.org>
diff --git a/drivers/i2c/busses/i2c-nomadik.c b/drivers/i2c/busses/i2c-nomadik.c
index b2dbf7c..e461de7 100644
--- a/drivers/i2c/busses/i2c-nomadik.c
+++ b/drivers/i2c/busses/i2c-nomadik.c
@@ -803,10 +803,7 @@
 
 static unsigned int nmk_i2c_functionality(struct i2c_adapter *adap)
 {
-	return I2C_FUNC_I2C
-		| I2C_FUNC_SMBUS_BYTE_DATA
-		| I2C_FUNC_SMBUS_WORD_DATA
-		| I2C_FUNC_SMBUS_I2C_BLOCK;
+	return I2C_FUNC_I2C | I2C_FUNC_SMBUS_EMUL;
 }
 
 static const struct i2c_algorithm nmk_i2c_algo = {