ARM: dts: msm: Add USB device node to kona

Add the basic device nodes for the primary USB device for kona.
Enable it for RUMI using the emulation-specific PHY, while limiting
the max speed to high-speed.

Change-Id: Ie299b008d1ea917d80c6a606231db8e7a3727aa5
Signed-off-by: Hemant Kumar <hemantk@codeaurora.org>