common: Drop part.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/video/atmel_hlcdfb.c b/drivers/video/atmel_hlcdfb.c
index 62accce..0fd74fd 100644
--- a/drivers/video/atmel_hlcdfb.c
+++ b/drivers/video/atmel_hlcdfb.c
@@ -8,6 +8,7 @@
 #include <common.h>
 #include <cpu_func.h>
 #include <malloc.h>
+#include <part.h>
 #include <asm/io.h>
 #include <asm/arch/gpio.h>
 #include <asm/arch/clk.h>