Added support for High Speed UART Engine for HP Touchpad.

Signed-off-by: Samarth Parikh <samarthp@ymail.com>
Added support for Intersil ISL29023 ambient light sensor.

Signed-off-by: Samarth Parikh <samarthp@ymail.com>
Added support for ST LSM303DLH 3-axis accelerometer and 3-axis magnetometer.

Signed-off-by: Samarth Parikh <samarthp@ymail.com>