Get settings values from the MRW

Replace any MRW variables in the setting YAML with
their MRW value.
An MRW variable must be in the MRW_<MRW variable name> format.

Change-Id: Ic7e163beb4f5d13cae00ff2013b1c4080d39a256
Signed-off-by: Gunnar Mills <gmills@us.ibm.com>
1 file changed