[POWERPC] Rename device_is_compatible to of_device_is_compatible

for consistency with other Open Firmware interfaces (and Sparc).

This is just a straight replacement.

This leaves the compatibility define in place.

Signed-off-by: Stephen Rothwell <sfr@canb.auug.org.au>
Signed-off-by: Paul Mackerras <paulus@samba.org>
diff --git a/arch/powerpc/platforms/maple/pci.c b/arch/powerpc/platforms/maple/pci.c
index b1d3b99..7aaa5bb 100644
--- a/arch/powerpc/platforms/maple/pci.c
+++ b/arch/powerpc/platforms/maple/pci.c
@@ -467,15 +467,15 @@
 	hose->last_busno = bus_range ? bus_range[1] : 0xff;
 
 	disp_name = NULL;
-	if (device_is_compatible(dev, "u3-agp")) {
+	if (of_device_is_compatible(dev, "u3-agp")) {
 		setup_u3_agp(hose);
 		disp_name = "U3-AGP";
 		primary = 0;
-	} else if (device_is_compatible(dev, "u3-ht")) {
+	} else if (of_device_is_compatible(dev, "u3-ht")) {
 		setup_u3_ht(hose);
 		disp_name = "U3-HT";
 		primary = 1;
-        } else if (device_is_compatible(dev, "u4-pcie")) {
+        } else if (of_device_is_compatible(dev, "u4-pcie")) {
                 setup_u4_pcie(hose);
                 disp_name = "U4-PCIE";
                 primary = 0;
@@ -556,12 +556,12 @@
 			continue;
 		if (strcmp(np->type, "pci") && strcmp(np->type, "ht"))
 			continue;
-		if ((device_is_compatible(np, "u4-pcie") ||
-		     device_is_compatible(np, "u3-agp")) &&
+		if ((of_device_is_compatible(np, "u4-pcie") ||
+		     of_device_is_compatible(np, "u3-agp")) &&
 		    add_bridge(np) == 0)
 			of_node_get(np);
 
-		if (device_is_compatible(np, "u3-ht")) {
+		if (of_device_is_compatible(np, "u3-ht")) {
 			of_node_get(np);
 			ht = np;
 		}
diff --git a/arch/powerpc/platforms/maple/setup.c b/arch/powerpc/platforms/maple/setup.c
index 2a30c5b..354c058 100644
--- a/arch/powerpc/platforms/maple/setup.c
+++ b/arch/powerpc/platforms/maple/setup.c
@@ -231,7 +231,7 @@
 	 */
 
 	for_each_node_by_type(np, "interrupt-controller")
-		if (device_is_compatible(np, "open-pic")) {
+		if (of_device_is_compatible(np, "open-pic")) {
 			mpic_node = np;
 			break;
 		}