[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/scsi/mesh.c b/drivers/scsi/mesh.c
index 1fd3c75..cf3666d 100644
--- a/drivers/scsi/mesh.c
+++ b/drivers/scsi/mesh.c
@@ -1947,7 +1947,7 @@
 	       	ms->tgts[tgt].current_req = NULL;
        	}
 
-	if ((cfp = get_property(mesh, "clock-frequency", NULL)))
+	if ((cfp = of_get_property(mesh, "clock-frequency", NULL)))
        		ms->clk_freq = *cfp;
 	else {
        		printk(KERN_INFO "mesh: assuming 50MHz clock frequency\n");