[BUILD] conditionally compile libfdt/*.c in libfdt/Makefile

Modify libfdt/Makefile to conditionally compile the *.c files based
on the board config.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/libfdt/Makefile b/libfdt/Makefile
index 126fa2c..d166cce 100644
--- a/libfdt/Makefile
+++ b/libfdt/Makefile
@@ -27,7 +27,7 @@
 
 SOBJS	=
 
-COBJS-y += fdt.o fdt_ro.o fdt_rw.o fdt_strerror.o fdt_sw.o fdt_wip.o
+COBJS-$(CONFIG_OF_LIBFDT) += fdt.o fdt_ro.o fdt_rw.o fdt_strerror.o fdt_sw.o fdt_wip.o
 
 COBJS	:= $(COBJS-y)
 SRCS 	:= $(SOBJS:.o=.S) $(COBJS:.o=.c)
diff --git a/libfdt/fdt.c b/libfdt/fdt.c
index 1ee67ad..212b838 100644
--- a/libfdt/fdt.c
+++ b/libfdt/fdt.c
@@ -16,9 +16,6 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "config.h"
-#if CONFIG_OF_LIBFDT
-
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -86,5 +83,3 @@
 	memmove(buf, fdt, fdt_totalsize(fdt));
 	return 0;
 }
-
-#endif /* CONFIG_OF_LIBFDT */
diff --git a/libfdt/fdt_ro.c b/libfdt/fdt_ro.c
index 46d525d..bc1a5f4 100644
--- a/libfdt/fdt_ro.c
+++ b/libfdt/fdt_ro.c
@@ -16,9 +16,6 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "config.h"
-#if CONFIG_OF_LIBFDT
-
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -532,5 +529,3 @@
 	}
 	return 0;
 }
-
-#endif /* CONFIG_OF_LIBFDT */
diff --git a/libfdt/fdt_rw.c b/libfdt/fdt_rw.c
index 55fcc41..852b6e6 100644
--- a/libfdt/fdt_rw.c
+++ b/libfdt/fdt_rw.c
@@ -16,9 +16,6 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "config.h"
-#if CONFIG_OF_LIBFDT
-
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -320,5 +317,3 @@
 	fdt_set_header(fdt, totalsize, _blob_data_size(fdt));
 	return 0;
 }
-
-#endif /* CONFIG_OF_LIBFDT */
diff --git a/libfdt/fdt_strerror.c b/libfdt/fdt_strerror.c
index b49c952..7f231ce 100644
--- a/libfdt/fdt_strerror.c
+++ b/libfdt/fdt_strerror.c
@@ -16,9 +16,6 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "config.h"
-#if CONFIG_OF_LIBFDT
-
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -65,5 +62,3 @@
 
 	return "<unknown error>";
 }
-
-#endif /* CONFIG_OF_LIBFDT */
diff --git a/libfdt/fdt_sw.c b/libfdt/fdt_sw.c
index c7eea8f..672f4dd 100644
--- a/libfdt/fdt_sw.c
+++ b/libfdt/fdt_sw.c
@@ -16,9 +16,6 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "config.h"
-#if CONFIG_OF_LIBFDT
-
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -227,5 +224,3 @@
 	fdt_set_header(fdt, magic, FDT_MAGIC);
 	return 0;
 }
-
-#endif /* CONFIG_OF_LIBFDT */
diff --git a/libfdt/fdt_wip.c b/libfdt/fdt_wip.c
index 2d39aab..2d2ed37 100644
--- a/libfdt/fdt_wip.c
+++ b/libfdt/fdt_wip.c
@@ -16,9 +16,6 @@
  * License along with this library; if not, write to the Free Software
  * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
  */
-#include "config.h"
-#if CONFIG_OF_LIBFDT
-
 #include "libfdt_env.h"
 
 #include <fdt.h>
@@ -138,5 +135,3 @@
 
 	return 0;
 }
-
-#endif /* CONFIG_OF_LIBFDT */