ARM: dts: qcom: apq8064 - Add usb host support to CM QS-600

This patch adds device tree nodes to support two usb hosts on Compulab QS600 board.

Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
[Srinivas Kandagatla: fixed up regulators and status properties]
Signed-off-by: Nicolas Dechesne <nicolas.dechesne@linaro.org>
Signed-off-by: Kumar Gala <galak@codeaurora.org>