powerpc/ppc4xx: Add fpgad command for dumping gdsys fpga registers

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/common/Makefile b/common/Makefile
index 87ba82e..288690b 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -92,6 +92,7 @@
 ifdef CONFIG_FPGA
 COBJS-$(CONFIG_CMD_FPGA) += cmd_fpga.o
 endif
+COBJS-$(CONFIG_CMD_FPGAD) += cmd_fpgad.o
 COBJS-$(CONFIG_CMD_FS_GENERIC) += cmd_fs.o
 COBJS-$(CONFIG_CMD_FUSE) += cmd_fuse.o
 COBJS-$(CONFIG_CMD_GETTIME) += cmd_gettime.o