Adding more FIO scripts for different size IO's.

Scripts to measure raw performance of the NVME devices, including
various size IO's

fioscript/fio-ran-r64k.job

@@ -0,0 +1,43 @@
+[global]
+name=fio-rand-r
+filename=readdatafile
+rw=randread
+bs=64K
+direct=1
+time_based=1
+runtime=120
+group_reporting=1
+ioengine=libaio
+
+[job1]
+size=10g
+iodepth=64
+
+[job2]
+size=10g
+iodepth=64
+
+[job3]
+size=10g
+iodepth=64
+
+[job4]
+size=10g
+iodepth=64
+
+[job5]
+size=10g
+iodepth=64
+
+[job6]
+size=10g
+iodepth=64
+
+[job7]
+size=10g
+iodepth=64
+
+[job8]
+size=10g
+iodepth=64
+