ARM: defconfig: qcom: add APQ8060 DragonBoard devices

This default-enables the devices found on the APQ8060 DragonBoard
in the qcom_defconfig:

- EBI2 bus
- SMSC911x ethernet
- LEDs class and PM8058 LEDs driver, trigger and heartbeat
  trigger (so we get heartbeat on the board by default)
- IIO framework, including the HRTimer trigger, KXSD9
  accelerometer, MPU3050 gyroscope, AK8975 magnetometer and
  BMP085 pressure sensor

Signed-off-by: Linus Walleij <linus.walleij@linaro.org>
Signed-off-by: Andy Gross <andy.gross@linaro.org>