usb: phy: msm: Replace custom enum usb_mode_type with enum usb_dr_mode

Use enum usb_dr_mode and drop default usb_dr_mode from platform data.

USB DT bindings states: dr_mode: "...In case this attribute isn't
passed via DT, USB DRD controllers should default to OTG...",
so remove redundand field.

Signed-off-by: Ivan T. Ivanov <iivanov@mm-sol.com>
Acked-by: David Brown <davidb@codeaurora.org>
Signed-off-by: Felipe Balbi <balbi@ti.com>

diff --cc arch/arm/mach-msm/board-msm7x30.c
Simple merge

diff --cc arch/arm/mach-msm/board-qsd8x50.c
Simple merge

diff --cc drivers/usb/phy/phy-msm-usb.c
Simple merge

diff --cc include/linux/usb/msm_hsusb.h
Simple merge