DTC 1.4.2

Boring release.  This has a few bugfixes, and most importantly, it
 includes a number of symbols in version.lds which should have been
 exported all along, but were left out previously.
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Merge tag 'v1.4.2'

Fix a mistake where the v1.4.2 release tag wasn't actually merged to master.

Makefile

@@ -197,10 +197,26 @@ fdtget:	$(FDTGET_OBJS) $(LIBFDT_archive)
 fdtput:	$(FDTPUT_OBJS) $(LIBFDT_archive)
 
 dist:
-	git archive --format=tar --prefix=dtc-v$(dtc_version)/ HEAD \
-		> ../dtc-v$(dtc_version).tar
-	cat ../dtc-v$(dtc_version).tar | \
-		gzip -9 > ../dtc-v$(dtc_version).tgz
+	git archive --format=tar --prefix=dtc-$(dtc_version)/ HEAD \
+		> ../dtc-$(dtc_version).tar
+	cat ../dtc-$(dtc_version).tar | \
+		gzip -9 > ../dtc-$(dtc_version).tar.gz
+
+#
+# Release signing and uploading
+# This is for maintainer convenience, don't try this at home.
+#
+ifeq ($(MAINTAINER),y)
+GPG = gpg2
+KUP = kup
+KUPDIR = /pub/software/utils/dtc
+
+kup: dist
+	$(GPG) --detach-sign --armor -o ../dtc-$(dtc_version).tar.sign \
+		../dtc-$(dtc_version).tar
+	$(KUP) put ../dtc-$(dtc_version).tar.gz ../dtc-$(dtc_version).tar.sign \
+		$(KUPDIR)/dtc-$(dtc_version).tar.gz
+endif
 
 #
 # Testsuite rules