ARM: dts: exynos: Correct audio subsystem parent clock on Peach Chromebooks

The proper parent clock for audio subsystem for Exynos5420 and Exynos5800
SoCs is CLK_MAU_EPLL. This fixes following warning:

    clk: failed to reparent mout_audss to fout_epll: -22

Fixes: ed7d1307077e: ARM: dts: exynos: Enable HDMI audio support on Peach Pit
Fixes: bae0f445c1e7: ARM: dts: exynos: Enable HDMI audio support on Peach Pi
Signed-off-by: Marek Szyprowski <m.szyprowski@samsung.com>
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/boot/dts/exynos5420-peach-pit.dts

@@ -153,7 +153,7 @@
 
 &clock_audss {
 	assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>;
-	assigned-clock-parents = <&clock CLK_FOUT_EPLL>;
+	assigned-clock-parents = <&clock CLK_MAU_EPLL>;
 };
 
 &cpu0 {

arch/arm/boot/dts/exynos5800-peach-pi.dts

@@ -153,7 +153,7 @@
 
 &clock_audss {
 	assigned-clocks = <&clock_audss EXYNOS_MOUT_AUDSS>;
-	assigned-clock-parents = <&clock CLK_FOUT_EPLL>;
+	assigned-clock-parents = <&clock CLK_MAU_EPLL>;
 };
 
 &cpu0 {