Conditionally compile fdt_support.c

Modify common/Makefile to conditionally compile fdt_support.c based
on CONFIG_OF_LIBFDT.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

common/Makefile

@@ -55,7 +55,7 @@ COBJS-$(CONFIG_CMD_ELF) += cmd_elf.o
 COBJS-$(CONFIG_CMD_EXT2) += cmd_ext2.o
 COBJS-$(CONFIG_CMD_FAT) += cmd_fat.o
 COBJS-y += cmd_fdc.o
-COBJS-$(CONFIG_OF_LIBFDT) += cmd_fdt.o
+COBJS-$(CONFIG_OF_LIBFDT) += cmd_fdt.o fdt_support.o
 COBJS-$(CONFIG_CMD_FDOS) += cmd_fdos.o
 COBJS-$(CONFIG_CMD_FLASH) += cmd_flash.o
 ifdef CONFIG_FPGA
@@ -105,7 +105,6 @@ COBJS-y += env_onenand.o
 COBJS-y += env_nvram.o
 COBJS-y += env_nowhere.o
 COBJS-y += exports.o
-COBJS-y += fdt_support.o
 COBJS-y += flash.o
 COBJS-y += fpga.o
 COBJS-y += ft_build.o

common/fdt_support.c

@@ -24,9 +24,6 @@
 #include <common.h>
 #include <linux/ctype.h>
 #include <linux/types.h>
-
-#ifdef CONFIG_OF_LIBFDT
-
 #include <asm/global_data.h>
 #include <fdt.h>
 #include <libfdt.h>
@@ -486,5 +483,3 @@ void fdt_fixup_ethernet(void *fdt, bd_t *bd)
 #endif
 	}
 }
-
-#endif /* CONFIG_OF_LIBFDT */