[ARM] pxa: update pxafb to use clk support

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/drivers/video/pxafb.h b/drivers/video/pxafb.h
index 7499a1c..f8605b8 100644
--- a/drivers/video/pxafb.h
+++ b/drivers/video/pxafb.h
@@ -40,6 +40,7 @@
 struct pxafb_info {
 	struct fb_info		fb;
 	struct device		*dev;
+	struct clk		*clk;
 
 	/*
 	 * These are the addresses we mapped