benchmarks/phoronix-test-suite: use SHEBANG_GLOB instead of SHEBANG_FILES incomplete list (+)

Pet stage-qa by switch to SHEBANG_GLOB= *.sh

This eliminate a bunch of 'Error: '/bin/bash' is an invalid shebang you need USES=shebangfix for...'

Reported by: poudriere bulk -t
Approved by: portmgr blanket
Sponsored by: Serenity Cybersecurity, LLC