Changes
/* I2C GPIO extender binding and usage */
2. Make sure that the appropriate I2C bus is enabled in BIOS settings: <br>
Chipset -> South Cluster Configuration -> LPSS Configuration LPSS I2C #[1-8] Support is set to ACPI mode or PCI mode Set LPSS I2C #[1-8] Speed is set to Standard Mode of Fast Mode
<br>'''NOTE:''' It’s strongly recommended that All buses are enabled in the range 1-7
3.Find the GPIO extender on an I2C bus:
