[test] Adapt Score-P modules to PE 18.08

[teojgo]

• Adapt the module names to reflect the latest PE, 18.08.

[codecov-io]

Codecov Report

Merging #515 into master will increase coverage by 0.02%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##           master     #515      +/-   ##
==========================================
+ Coverage   91.39%   91.41%   +0.02%     
==========================================
  Files          72       72              
  Lines        8749     8749              
==========================================
+ Hits         7996     7998       +2     
+ Misses        753      751       -2

Impacted Files	Coverage Δ
reframe/core/config.py	84.34% <0%> (+1.73%)	⬆️

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