patch fix issue on parsing while fetching memory mode

without patch :

16:10:07 [console-expect]#tail /proc/cpuinfo | grep MMU
16:10:07 MMU		: Radix
16:10:07 [console-expect]#echo $?
16:10:07
echo $?
16:10:07 0
16:10:07 [console-expect]#ERROR
16:10:09
16:10:09 ======================================================================
16:10:09 ERROR: runTest (testcases.MachineConfig.MachineConfig)
16:10:09 ----------------------------------------------------------------------
16:10:09 Traceback (most recent call last):
16:10:09   File "/var/lib/jenkins/workspace/ProfileSetup2/op-test/testcases/MachineConfig.py", line 117, in runTest
16:10:09     self.callConfig(key, lpar)
16:10:09   File "/var/lib/jenkins/workspace/ProfileSetup2/op-test/testcases/MachineConfig.py", line 189, in callConfig
16:10:09     status = OsConfig(self.cv_HMC, self.system_name,
16:10:09   File "/var/lib/jenkins/workspace/ProfileSetup2/op-test/testcases/MachineConfig.py", line 558, in __init__
16:10:09     self.mmu = str(self.mmulist[0]).split(':')[1].strip()
16:10:09 IndexError: list index out of range

Signed-off-by: Praveen K Pandey <praveen@linux.vnet.ibm.com>

testcases/MachineConfig.py

@@ -555,7 +555,7 @@ def __init__(self, cv_HMC=None, system_name=None,
         self.c = self.cv_HMC.get_host_console()
         self.hmc_con = self.cv_HMC.ssh
         self.mmulist = self.c.run_command("tail /proc/cpuinfo | grep MMU")
-        self.mmu = str(self.mmulist[0]).split(':')[1].strip()
+        self.mmu = str(self.mmulist).split(':')[1].strip()
         self.cmdline = self.c.run_command("cat /proc/cmdline")
         self.obj = OpTestInstallUtil.InstallUtil()
         self.os_level = self.cv_HOST.host_get_OS_Level()