tint: Fix tint and add Kconfig option

Fix the compiler errors with tint, improves the Makefile,
adds Kconfig integration and secondary payload option.

Change-Id: Ia99e30f566d5ccf0d083e52bf174970535daefc5
Signed-off-by: Antonello Dettori <dettori.an@gmail.com>
Reviewed-on: https://review.coreboot.org/14989
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>

payloads/external/tint/Makefile

@@ -0,0 +1,33 @@
+project_url=http://snapshot.debian.org/archive/debian-archive/20110127T084257Z/debian/pool/main/t/tint/tint_0.03b.tar.gz
+archive_name=tint_0.03b.tar.gz
+
+unexport KCONFIG_AUTOHEADER
+unexport KCONFIG_AUTOCONFIG
+unexport KCONFIG_DEPENDENCIES
+unexport KCONFIG_SPLITCONFIG
+unexport KCONFIG_TRISTATE
+unexport KCONFIG_NEGATIVES
+
+all: tint
+
+tint: patch
+	echo "    MAKE       TINT     "
+	$(MAKE) -C tint
+
+patch: download
+	cd tint; \
+	if [ -e debian ]; then patch -l -p1 < ../libpayload_tint.patch; fi
+
+download:
+	test -d tint || { wget $(project_url); \
+		tar -xvf $(archive_name); \
+		rm $(archive_name); \
+		mv tint-0.03b tint; }
+
+clean:
+	test -d tint && $(MAKE) -C tint clean || exit 0
+
+distclean:
+	rm -rf tint
+
+.PHONY: download patch tint clean distclean

payloads/external/tint/README

@@ -1,8 +0,0 @@
--------------------------------------------------------------------------------
-tint
--------------------------------------------------------------------------------
-
-For instructions on how to download, patch, and build tint as a coreboot
-payload, please see
-
-  http://www.coreboot.org/Tint