Change http to https on many URLs and update llvm.org URLs in buildgcc.
The old URLs are deprecated and now switched to a http forwarder that
can be attacked by MITM attacks.
Change-Id: I68d4fe1a6236ed8540803e11cfc84e44a1d1ca35
Signed-off-by: Doug Gale <doug16k@gmail.com>
Reviewed-on: https://review.coreboot.org/21729
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Reviewed-by: Martin Roth <martinroth@google.com>