Fix BMC version string comparision

Change-Id: I90224214d283da32ea5783cf6cd3544c1c5c3a6a
Signed-off-by: George Keishing <gkeishin@in.ibm.com>
diff --git a/extended/test_bmc_reset_loop.robot b/extended/test_bmc_reset_loop.robot
index 99f432c..6e100db 100644
--- a/extended/test_bmc_reset_loop.robot
+++ b/extended/test_bmc_reset_loop.robot
@@ -70,7 +70,7 @@
 
     Redfish OBMC Reboot (off)
     ${bmc_version}=  Get BMC Version
-    Valid Value  bmc_version  [${initial_bmc_version}]
+    Valid Value  bmc_version  ["${initial_bmc_version}"]
     Check For Regex In Journald  ${ERROR_REGEX}  error_check=${0}  boot=-b
     Verify BMC RTC And UTC Time Drift
     ${boot_side}=  Get BMC Flash Chip Boot Side
@@ -82,7 +82,7 @@
 
     OBMC Reboot (off)  stack_mode=normal
     ${bmc_version}=  Get BMC Version
-    Valid Value  bmc_version  [${initial_bmc_version}]
+    Valid Value  bmc_version  ["${initial_bmc_version}"]
     Verify BMC RTC And UTC Time Drift
     Check For Regex In Journald  ${ERROR_REGEX}  error_check=${0}
     ${boot_side}=  Get BMC Flash Chip Boot Side