Create Makefile.utils and move ftdump into it

We want to avoid a separate Makefile include for each utility, so this sets
up a general one for utilities.

Acked-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Simon Glass <sjg@chromium.org>

Makefile

@@ -105,7 +105,7 @@ endef
 
 include Makefile.convert-dtsv0
 include Makefile.dtc
-include Makefile.ftdump
+include Makefile.utils
 
 BIN += convert-dtsv0
 BIN += dtc

Makefile.ftdump

@@ -1,13 +0,0 @@
-#
-# This is not a complete Makefile of itself.
-# Instead, it is designed to be easily embeddable
-# into other systems of Makefiles.
-#
-
-FTDUMP_SRCS = \
-	ftdump.c \
-	util.c
-
-FTDUMP_GEN_SRCS =
-
-FTDUMP_OBJS = $(FTDUMP_SRCS:%.c=%.o) $(FTDUMP_GEN_SRCS:%.c=%.o)

Makefile.utils

@@ -0,0 +1,10 @@
+#
+# This is not a complete Makefile of itself.  Instead, it is designed to
+# be easily embeddable into other systems of Makefiles.
+#
+
+FTDUMP_SRCS = \
+	ftdump.c \
+	util.c
+
+FTDUMP_OBJS = $(FTDUMP_SRCS:%.c=%.o)