Change Rvalid to Valid

Change all references to keywords like "Rvalid Values" to "Valid Values".
"Rvalid Values" has been deprecated.

Change-Id: I1b418fa69e5753c8bfb9e6a06a8b566359e10cae
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/extended/code_update/bmc_multi_code_update.robot b/extended/code_update/bmc_multi_code_update.robot
index 4d909e6..6c8728e 100644
--- a/extended/code_update/bmc_multi_code_update.robot
+++ b/extended/code_update/bmc_multi_code_update.robot
@@ -43,9 +43,9 @@
 Suite Setup Execution
     [Documentation]  Do test suite setup tasks.
 
-    Rvalid Value  IMAGE_FILE_PATH
-    Rvalid Value  N_MINUS_ONE_IMAGE_FILE_PATH
-    Rvalid Value  N_PLUS_ONE_IMAGE_FILE_PATH
+    Valid Value  IMAGE_FILE_PATH
+    Valid Value  N_MINUS_ONE_IMAGE_FILE_PATH
+    Valid Value  N_PLUS_ONE_IMAGE_FILE_PATH
 
 
 Code Update And Reboot BMC