jemalloc: add new recipe

jemalloc is a general purpose malloc(3) implementation that emphasizes
fragmentation avoidance and scalable concurrency support.

Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/jemalloc/jemalloc_5.2.1.bb

+# Copyright (C) 2021 Mingli Yu <mingli.yu@windriver.com>
+# Released under the MIT license (see COPYING.MIT for the terms)
+
+SUMMARY = "General-purpose scalable concurrent malloc implementation"
+
+DESCRIPTION = "jemalloc is a general purpose malloc(3) implementation that emphasizes \
+fragmentation avoidance and scalable concurrency support."
+
+HOMEPAGE = "https://github.com/jemalloc/jemalloc"
+LICENSE = "BSD"
+
+SECTION = "libs"
+
+LIC_FILES_CHKSUM = "file://README;md5=6900e4a158982e4c4715bf16aa54fa10"
+
+SRC_URI = "git://github.com/jemalloc/jemalloc.git"
+
+SRCREV = "ea6b3e973b477b8061e0076bb257dbd7f3faa756"
+
+S = "${WORKDIR}/git"
+
+inherit autotools
+
+EXTRA_AUTORECONF += "--exclude=autoheader"