[PATCH] ARM: 2712/1: Fix the RGB order for the Versatile CLCD

Patch from Catalin Marinas

The current red and blue colours on the Versatile CLCD are
reversed when the 5:6:5 mode is used. The patch sets the proper
bit in the SYS_CLCD register value.

Signed-off-by: Catalin Marinas
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>