ppc4xx: Set bd->bi_pci_busfreq on 440EPx/GRx too

Signed-off-by: Stefan Roese <sr@denx.de>

lib_ppc/board.c

@@ -568,7 +568,9 @@ void board_init_f (ulong bootflag)
 
 	bd->bi_procfreq = gd->cpu_clk;	/* Processor Speed, In Hz */
 	bd->bi_plb_busfreq = gd->bus_clk;
-#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || defined(CONFIG_440EP) || defined(CONFIG_440GR)
+#if defined(CONFIG_405GP) || defined(CONFIG_405EP) || \
+    defined(CONFIG_440EP) || defined(CONFIG_440GR) || \
+    defined(CONFIG_440EPX) || defined(CONFIG_440GRX)
 	bd->bi_pci_busfreq = get_PCI_freq ();
 	bd->bi_opbfreq = get_OPB_freq ();
 #elif defined(CONFIG_XILINX_ML300)