[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/mac53c94.c b/drivers/scsi/mac53c94.c
index 753d883..5806ede 100644
--- a/drivers/scsi/mac53c94.c
+++ b/drivers/scsi/mac53c94.c
@@ -471,7 +471,7 @@
 		goto out_free;
 	}
 
-       	clkprop = get_property(node, "clock-frequency", &proplen);
+	clkprop = of_get_property(node, "clock-frequency", &proplen);
        	if (clkprop == NULL || proplen != sizeof(int)) {
        		printk(KERN_ERR "%s: can't get clock frequency, "
        		       "assuming 25MHz\n", node->full_name);