RDKCOM-3282: RDKBDEV-1199: misc code cleanup in Pool_GetParamStringValue() etc
RDKCOM-3282: RDKBDEV-1199: misc code cleanup in Pool_GetParamStringValue() etc

Reason for change:
Disable unnecessary strcmp() for parameters which are not supported.
Test Procedure: Sanity.
Risks: None.
Signed-off-by: Andre McCurdy <armccurdy@gmail.com>

(cherry picked from commit 472fe3aa3c6868fe3cd5078376604af8a1bfcd9e)
(cherry picked from commit 0697a73b4aaf347816fca8e362c73704d1c5ebb0)
Change-Id: I72ee42408aea8b1bb3483837fe763e4a03950a31

rdkcmf/rdkb-CcspPandM,rdkcmf/rdkb-CcspPandM,rdkcmf/rdkb-CcspPandM