ARM: davinci: da850: Add LCDC DT entries

Add LCDC DT entries in da850 dts file.

Signed-off-by: Philip Avinash <avinashphilip@ti.com>
ARM: davinci: da850: override LCDC DT node device name

Populate OF_DEV_AUXDATA with desired device name expected by da8xx-fb
driver. Without this clk_get of da8xx-fb DT driver fails.

Signed-off-by: Philip Avinash <avinashphilip@ti.com>
ARM: davinci: da850 evm: Add da850-evm LCD panel support

Update LCDC node with panel timings for da850-evm along pin-mux info.

Signed-off-by: Philip Avinash <avinashphilip@ti.com>