powerpc/ppc4xx: Use generic accessor functions for gdsys FPGA

A set of accessor functions was added to be able to access not only
memory mapped FPGA in a generic way.

Thanks to Wolfgang Denk for getting this sorted properly.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/include/configs/io.h b/include/configs/io.h
index 33743e6..27d1b0f 100644
--- a/include/configs/io.h
+++ b/include/configs/io.h
@@ -230,6 +230,11 @@
 
 #define CONFIG_SYS_FPGA_COUNT		1
 
+#define CONFIG_SYS_FPGA_PTR \
+	{ (struct ihs_fpga *)CONFIG_SYS_FPGA0_BASE }
+
+#define CONFIG_SYS_FPGA_COMMON
+
 /* Memory Bank 3 (Latches) initialization */
 #define CONFIG_SYS_LATCH_BASE		0x7f200000
 #define CONFIG_SYS_EBC_PB3AP		0xa2015480