board: iocon: Fix fpga index in print_fpga_info()

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/board/gdsys/405ep/iocon.c b/board/gdsys/405ep/iocon.c
index 1bac970..fffed73 100644
--- a/board/gdsys/405ep/iocon.c
+++ b/board/gdsys/405ep/iocon.c
@@ -180,11 +180,11 @@
 	unsigned feature_carriers;
 	unsigned feature_video_channels;
 
-	int legacy = get_fpga_state(0) & FPGA_STATE_PLATFORM;
+	int legacy = get_fpga_state(fpga) & FPGA_STATE_PLATFORM;
 
-	FPGA_GET_REG(0, versions, &versions);
-	FPGA_GET_REG(0, fpga_version, &fpga_version);
-	FPGA_GET_REG(0, fpga_features, &fpga_features);
+	FPGA_GET_REG(fpga, versions, &versions);
+	FPGA_GET_REG(fpga, fpga_version, &fpga_version);
+	FPGA_GET_REG(fpga, fpga_features, &fpga_features);
 
 	unit_type = (versions & 0xf000) >> 12;
 	feature_compression = (fpga_features & 0xe000) >> 13;