ci: don't limit the amount of parallel jobs for make check
ci: don't limit the amount of parallel jobs for make check

Much of the CI time is spent on running the integration test suite,
which is not CPU bound, so allowing more parallel jobs allows for some
speedup.

Signed-off-by: Jonas Witschel <87a164e5d00d5dcdd001e37b34ea8bcd3fc3a172@gmx.de>

01org/tpm2.0-tools,01org/tpm2.0-tools,01org/tpm2.0-tools