Add support for PCI-Express on PPC440SPe (Yucca board).
diff --git a/cpu/ppc4xx/cpu.c b/cpu/ppc4xx/cpu.c
index 71303bc..bc51fbf 100644
--- a/cpu/ppc4xx/cpu.c
+++ b/cpu/ppc4xx/cpu.c
@@ -315,6 +315,17 @@
 	return 0;
 }
 
+#if defined (CONFIG_440SPE)
+int ppc440spe_revB() {
+	unsigned int pvr;
+
+	pvr = get_pvr();
+	if (pvr == PVR_440SPe_RB)
+		return 1;
+	else
+		return 0;
+}
+#endif
 
 /* ------------------------------------------------------------------------- */