libtool: Upgrade 2.4.6 -> 2.4.7

Libtool made a release after many years. Update to it, allowing us to drop two
backported patches. We also drop a performance optimistion patch since it is
too invasive to maintain separately.

(From OE-Core rev: b5d13cbdded0f71fd4b847066434d30e8a39c9ce)

Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/libtool/libtool-native_2.4.7.bb

@@ -0,0 +1,20 @@
+require libtool-${PV}.inc
+
+DEPENDS = ""
+
+inherit native
+
+EXTRA_OECONF = " --with-libtool-sysroot=${STAGING_DIR_NATIVE}"
+
+do_configure:prepend () {
+	# Remove any existing libtool m4 since old stale versions would break
+	# any upgrade
+	rm -f ${STAGING_DATADIR}/aclocal/libtool.m4
+	rm -f ${STAGING_DATADIR}/aclocal/lt*.m4
+}
+
+do_install () {
+	autotools_do_install
+	install -d ${D}${bindir}/
+	install -m 0755 libtool ${D}${bindir}/libtool
+}