Remove use of deprecated rprint functions

For each of the rprint functions, there is a corresponding gen_print function
that can be used instead.

Change-Id: I89c6e0b63cac7aee92da7dc7945e413001287967
Signed-off-by: Michael Walsh <micwalsh@us.ibm.com>
diff --git a/openpower/tests_openbmctool/test_openbmctool.robot b/openpower/tests_openbmctool/test_openbmctool.robot
index 260477a..84b5cf9 100755
--- a/openpower/tests_openbmctool/test_openbmctool.robot
+++ b/openpower/tests_openbmctool/test_openbmctool.robot
@@ -42,7 +42,7 @@
 
 
 Suite Setup             Suite Setup Execution
-Test Setup              Rprintn
+Test Setup              Printn
 
 *** Variables ***
 
@@ -281,7 +281,7 @@
 
     # Verify can find the openbmctool.
     ${openbmctool_file_path}=  which  openbmctool.py
-    Rprintn
+    Printn
     Rprint Vars  openbmctool_file_path
 
     # Get the version number from openbmctool.