ARM: dts: qcom: apq8026-lg-lenok: enable USB

Enable the USB nodes so it becomes usable on the device.

Signed-off-by: Luca Weiss <luca@z3ntu.xyz>
Signed-off-by: Bjorn Andersson <bjorn.andersson@linaro.org>
Link: https://lore.kernel.org/r/20211118210210.160895-7-luca@z3ntu.xyz