fio: Upgrade to 3.15

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

meta-oe/recipes-benchmark/fio/fio_3.15.bb

@@ -22,7 +22,7 @@ PACKAGECONFIG ??= "${PACKAGECONFIG_NUMA}"
 PACKAGECONFIG[numa] = ",--disable-numa,numactl"
 
 # rev for v3.8
-SRCREV = "16500b5a0b03ee0142d592bb74a46943a223b06e"
+SRCREV = "01bf5128d0581e267383f280c6a1dcd26517240f"
 SRC_URI = "git://git.kernel.dk/fio.git \
           file://0001-update-the-interpreter-paths.patch \
 "