phy: omap-usb2-phy: fix coding style issues

Fix checkpatch warnings and sort the include files alphabetically.

Signed-off-by: Roger Quadros <rogerq@ti.com>
Link: https://lore.kernel.org/r/20200824075127.14902-3-rogerq@ti.com


Signed-off-by: Vinod Koul <vkoul@kernel.org>