Integrate linux-imx-kuk/fix_pixelclock

Commit: seco-ne/kernel/linux-imx-kuk@1ffbafba

dts:lq057: Updated the pxlclk also for the panel_lvds block

There are two possible ways of using the LVDS panel. The second block was missing the reduced pixel clock.

See commit c00df0016cf4db916ac429e3c79ef14bead477f0.