Samsung fix for v4.1

- Set display clock correctly for exynos4412-trats2
   : fix the following error
 
     exynos-drm: No connectors reported connected with modes
     [drm] Cannot find any crtc or sizes - going 1024x768
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Merge tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung into fixes

Merge "Samsung fix for v4.1" from Kukjin Kim:

- Set display clock correctly for exynos4412-trats2
  : fix the following error

    exynos-drm: No connectors reported connected with modes
    [drm] Cannot find any crtc or sizes - going 1024x768

* tag 'samsung-fixes-3' of git://git.kernel.org/pub/scm/linux/kernel/git/kgene/linux-samsung:
  ARM: dts: set display clock correctly for exynos4412-trats2

arch/arm/boot/dts/exynos4412-trats2.dts

@@ -736,7 +736,7 @@ panel@0 {
 
 			display-timings {
 				timing-0 {
-					clock-frequency = <0>;
+					clock-frequency = <57153600>;
 					hactive = <720>;
 					vactive = <1280>;
 					hfront-porch = <5>;