usb: dwc3: msm: Add option to bypass SMMU stage 1

In some cases USB may need to configure SMMU to bypass stage 1
translations. This is done by setting the DOMAIN_ATTR_S1_BYPASS
attribute prior to attaching to IOMMU. Add a devicetree binding
to configure this.

Change-Id: Iea5c3e741de4bda73dc0c74c3016f0158136d64b
Signed-off-by: Jack Pham <jackp@codeaurora.org>