fio: Upgrade to 3.12

Refresh 0001-update-the-interpreter-paths.patch as the
folder unit_tests/ is renamed to t/ in below commit:
c44d2c6e Move steady state unit test to t/

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

meta-oe/recipes-benchmark/fio/files/0001-update-the-interpreter-paths.patch

@@ -16,7 +16,7 @@ Signed-off-by: Mingli Yu <mingli.yu@windriver.com>
  tools/hist/fiologparser_hist.py | 2 +-
  tools/hist/half-bins.py         | 2 +-
  tools/plot/fio2gnuplot          | 2 +-
- unit_tests/steadystate_tests.py | 2 +-
+ t/steadystate_tests.py | 2 +-
  7 files changed, 7 insertions(+), 7 deletions(-)
 
 diff --git a/tools/fio_jsonplus_clat2csv b/tools/fio_jsonplus_clat2csv
@@ -79,10 +79,10 @@ index 4d1815cf..509141af 100755
  # Note: this script is python2 and python3 compatible.
  #
  #  Copyright (C) 2013 eNovance SAS <licensing@enovance.com>
-diff --git a/unit_tests/steadystate_tests.py b/unit_tests/steadystate_tests.py
+diff --git a/t/steadystate_tests.py b/t/steadystate_tests.py
 index 50254dcc..95e7dfde 100755
---- a/unit_tests/steadystate_tests.py
-+++ b/unit_tests/steadystate_tests.py
+--- a/t/steadystate_tests.py
++++ b/t/steadystate_tests.py
 @@ -1,4 +1,4 @@
 -#!/usr/bin/python2.7
 +#!/usr/bin/env python

meta-oe/recipes-benchmark/fio/fio_3.12.bb

@@ -21,7 +21,7 @@ PACKAGECONFIG ??= "${PACKAGECONFIG_NUMA}"
 PACKAGECONFIG[numa] = ",--disable-numa,numactl"
 
 # rev for v3.8
-SRCREV = "bfd986752ad053175423ffe3bbbeb07803f8ad4a"
+SRCREV = "16500b5a0b03ee0142d592bb74a46943a223b06e"
 SRC_URI = "git://git.kernel.dk/fio.git \
           file://0001-update-the-interpreter-paths.patch \
 "