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/tegra124/display.c b/drivers/video/tegra124/display.c
index f08f117..913beab 100644
--- a/drivers/video/tegra124/display.c
+++ b/drivers/video/tegra124/display.c
@@ -12,6 +12,7 @@
 #include <display.h>
 #include <edid.h>
 #include <lcd.h>
+#include <part.h>
 #include <video.h>
 #include <asm/gpio.h>
 #include <asm/io.h>