GCC4.6: Squash warnings in 4xx_pcie.c

4xx_pcie.c: In function 'pcie_read_config':
4xx_pcie.c:268: warning: format '%08x' expects type 'unsigned int', but argument
3 has type 'volatile unsigned char *'

Signed-off-by: Marek Vasut <marek.vasut@gmail.com>
Cc: Wolfgang Denk <wd@denx.de>
Cc: Simon Glass <sjg@chromium.org>
Cc: Mike Frysinger <vapier@gentoo.org>

arch/powerpc/cpu/ppc4xx/4xx_pcie.c

@@ -265,7 +265,8 @@ static int pcie_read_config(struct pci_controller *hose, unsigned int devfn,
 	 */
 	pcie_dmer_disable ();
 
-	debug("%s: cfg_data=%08x offset=%08x\n", __func__, hose->cfg_data, offset);
+	debug("%s: cfg_data=%p offset=%08x\n", __func__,
+		hose->cfg_data, offset);
 	switch (len) {
 	case 1:
 		*val = in_8(hose->cfg_data + offset);