usb: chipidea: tegra: clean up tegra_udc flag code

All Tegra devices handled by tegra-udc use the same flags.
Consolidate all the entries under one roof.

Signed-off-by: Peter Geis <pgwipeout@gmail.com>
Acked-by: Thierry Reding <treding@nvidia.com>
Link: https://lore.kernel.org/r/20191002131933.6206-1-pgwipeout@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>