Adds Exynos Specific Glue layer to support USB peripherals
on Samsung Exynos5 chips.
[ balbi@ti.com : prevent compilation of Exynos glue layer
on platforms which don't provide clk API implementation ]
Signed-off-by: Anton Tikhomirov <av.tikhomirov@samsung.com>
Signed-off-by: Felipe Balbi <balbi@ti.com>
