usb: phy: ti: Remove non-DM PHY code

At this point in time, all platforms that had previously used
drivers/usb/phy/omap_usb_phy.c have been migrated to DM and related
options.  Remove this now unused code and some related unused defines.

Signed-off-by: Tom Rini <trini@konsulko.com>
13 files changed