[POWERPC] Rename get_property to of_get_property: drivers

These are all the remaining instances of get_property.  Simple rename of
get_property to of_get_property.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/drivers/video/aty/radeon_base.c b/drivers/video/aty/radeon_base.c
index a4b3fd1..9d629fe 100644
--- a/drivers/video/aty/radeon_base.c
+++ b/drivers/video/aty/radeon_base.c
@@ -422,7 +422,7 @@
 
 	if (dp == NULL)
 		return -ENODEV;
-	val = get_property(dp, "ATY,RefCLK", NULL);
+	val = of_get_property(dp, "ATY,RefCLK", NULL);
 	if (!val || !*val) {
 		printk(KERN_WARNING "radeonfb: No ATY,RefCLK property !\n");
 		return -EINVAL;
@@ -430,11 +430,11 @@
 
 	rinfo->pll.ref_clk = (*val) / 10;
 
-	val = get_property(dp, "ATY,SCLK", NULL);
+	val = of_get_property(dp, "ATY,SCLK", NULL);
 	if (val && *val)
 		rinfo->pll.sclk = (*val) / 10;
 
-	val = get_property(dp, "ATY,MCLK", NULL);
+	val = of_get_property(dp, "ATY,MCLK", NULL);
 	if (val && *val)
 		rinfo->pll.mclk = (*val) / 10;