[ARM] 3504/1: Fix clcd includes for aaec2000

Patch from Bellido Nicolas

Since this patch:
 [ARM] 3366/1: Allow the 16bpp mode configuration in the CLCD control register

linux/amba/bus.h needs to be included before linux/amba/clcd.h

Signed-off-by: Nicolas Bellido <ml@acolin.be>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>