PFW: Dynamic parameter access

BZ: 13272

Added dynamic parameter setting / getting interface for hosting platforms
This new API allows:
	- getting any parameter
	- setting any parameter as long as it is rogue (attached to no domains)
Passed parameter values are in the form of strings.

Change-Id: I01a34597fcb4dafb225519cbc01dfffb22b5d52a
Signed-off-by: Patrick Benavoli <patrickx.benavoli@intel.com>
Reviewed-on: http://android.intel.com:8080/22629
Reviewed-by: Centelles, Sylvain <sylvain.centelles@intel.com>
Tested-by: Barthes, FabienX <fabienx.barthes@intel.com>
Reviewed-by: buildbot <buildbot@intel.com>
Tested-by: buildbot <buildbot@intel.com>
Reviewed-on: http://android.intel.com:8080/26781
Reviewed-by: Barthes, FabienX <fabienx.barthes@intel.com>
15 files changed