ppc4xx: Use correct io accessors for esd 405 boards

This patch replaces in/out8/16/32 macros by in/out_8/_be16/_be32
macros. Also volatile pointer references are replaced by the
new accessors.

Signed-off-by: Matthias Fuchs <matthias.fuchs@esd.eu>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/esd/cpciiser4/cpciiser4.c b/board/esd/cpciiser4/cpciiser4.c
index b5d2543..6e97392 100644
--- a/board/esd/cpciiser4/cpciiser4.c
+++ b/board/esd/cpciiser4/cpciiser4.c
@@ -58,7 +58,6 @@
 int board_early_init_f (void)
 {
 	int index, len, i;
-	volatile unsigned char dummy;
 	int status;
 
 #ifdef FPGA_DEBUG
@@ -116,7 +115,7 @@
 	/*
 	 * Init FPGA via RESET (read access on CS3)
 	 */
-	dummy = *(unsigned char *) 0xf0200000;
+	in_8((void *)0xf0200000);
 
 	/*
 	 * IRQ 0-15  405GP internally generated; active high; level sensitive