i2SOM:Yocto:devtools: add flashbench tool from Linaro

meta-i2som-yocto/recipes-devtools/flashbench/flashbench/0001-flashbench-fix-Makefile.patch

@@ -0,0 +1,33 @@
+From 99fabbd9f6bd68eadadbb3e48120c38a599fa5ed Mon Sep 17 00:00:00 2001
+From: =?UTF-8?q?Stefan=20M=C3=BCller-Klieser?= <s.mueller-klieser@phytec.de>
+Date: Mon, 20 Jun 2016 11:36:03 +0200
+Subject: [PATCH] flashbench: fix Makefile
+MIME-Version: 1.0
+Content-Type: text/plain; charset=UTF-8
+Content-Transfer-Encoding: 8bit
+
+Assign compiler defaults as conditional. This removes the requirement
+to explicitly override those variables, e.g. for a cross-compile setup.
+
+Signed-off-by: Stefan Müller-Klieser <s.mueller-klieser@phytec.de>
+---
+ Makefile | 6 +++---
+ 1 file changed, 3 insertions(+), 3 deletions(-)
+
+diff --git a/Makefile b/Makefile
+index f83b220..45c59a3 100644
+--- a/Makefile
++++ b/Makefile
+@@ -1,6 +1,6 @@
+-CC	:= gcc
+-CFLAGS	:= -O2 -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-parameter -g2
+-LDFLAGS := -lrt
++CC      ?= gcc
++CFLAGS  ?= -O2 -Wall -Wextra -Wno-missing-field-initializers -Wno-unused-parameter -g2
++LDFLAGS ?= -lrt
+ 
+ all: flashbench erase
+ 
+-- 
+1.9.1
+

meta-i2som-yocto/recipes-devtools/flashbench/flashbench_git.bb

@@ -0,0 +1,30 @@
+# Copyright (C) 2016 Stefan Christ <s.christ@phytec.de>
+# Released under the MIT license (see COPYING.MIT for the terms)
+
+DESCRIPTION = "Tool for benchmarking and classifying flash memory drives"
+HOMEPAGE = "https://git.linaro.org/people/arnd.bergmann/flashbench.git"
+SECTION = "misc"
+DEPENDS = ""
+
+LICENSE = "GPLv2"
+LIC_FILES_CHKSUM = "file://COPYING;md5=b234ee4d69f5fce4486a80fdaf4a4263"
+
+S = "${WORKDIR}/git"
+
+SRC_URI = "git://git.linaro.org/people/arnd.bergmann/flashbench.git;protocol=https"
+SRC_URI += "\
+    file://0001-flashbench-fix-Makefile.patch \
+"
+
+# There are no upstream tags/releases.
+SRCREV = "2e30b1968a66147412f21002ea844122a0d5e2f0"
+PR = "r0"
+PV = "0.1+${SRCPV}"
+
+# No configure/autotools. Only a simple Makefile.
+do_configure[noexec] = "1"
+
+do_install () {
+    install -Dm 755 ${B}/flashbench ${D}${bindir}/flashbench
+    install -Dm 755 ${B}/erase ${D}${bindir}/erase
+}