ARM: EXYNOS: Set 64-bit DMA mask for EXYNOS5250

When LPAE is enabled, we need to set 64bit DMA mask bits.

[The actual fix for this issue is a much more involved patch series
reworking how DMA masks are set which is still in review upstream
  -- broonie]

Signed-off-by: Tushar Behera <tushar.behera@linaro.org>
Signed-off-by: Mark Brown <broonie@linaro.org>
1 file changed