lisa.tests.base: DmesgTestBundle: use re.search() instead of re.match()
lisa.tests.base: DmesgTestBundle: use re.search() instead of re.match()

re.search() allows to find the pattern anywhere in the string, which is
more convenient to establish a robust list of ignored patterns. ^ and $
anchors can still be used if necessary.

ARM-software/lisa,credp/lisa,ARM-software/lisa,credp/lisa,credp/lisa,ARM-software/lisa,credp/lisa,ARM-software/lisa