i2c: mlxcpld: Allow configurable adapter id for mlxcpld

It allows mlxcpld driver to be connected to pre-defined adapter number
equal or greater than one, in order to avoid current limitation, assuming
usage of id number one only.

Signed-off-by: Michael Shych <michaelsh@mellanox.com>
Signed-off-by: Wolfram Sang <wsa@the-dreams.de>

drivers/i2c/busses/i2c-mlxcpld.c

@@ -514,6 +514,8 @@ static int mlxcpld_i2c_probe(struct platform_device *pdev)
 	/* Check support for smbus block transaction */
 	if (val & MLXCPLD_I2C_SMBUS_BLK_BIT)
 		priv->smbus_block = true;
+	if (pdev->id >= -1)
+		mlxcpld_i2c_adapter.nr = pdev->id;
 	priv->adap = mlxcpld_i2c_adapter;
 	priv->adap.dev.parent = &pdev->dev;
 	priv->base_addr = MLXPLAT_CPLD_LPC_I2C_BASE_ADDR;