The ehci driver can be a module, so the functions provided
by the tegra platform code used by ehci-tegra need to
be exported.
Signed-off-by: NArnd Bergmann <arnd@arndb.de>
Signed-off-by: NAlan Ott <alan@signal11.us>
Signed-off-by: NOlof Johansson <olof@lixom.net>