ARM: dts: exynos: Fix audio routing on Odroid XU3

Add missing audio routing entry for the capture stream, this change
is required to fix audio recording on Odroid XU3/XU3-Lite.

Fixes: 885b005d ("ARM: dts: exynos: Add support for secondary DAI to Odroid XU3")
Cc: stable@vger.kernel.org
Signed-off-by: Sylwester Nawrocki <s.nawrocki@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>