sys-devel/newlib: Uprev to 4.1.0

The ebuild comes from Gentoo. Only the KEYWORDS have been modified.

The uprev enables building `riscv*-cros-elf` toolchain because the
support for RISC-V was added in newlib-3.0.0.

BUG=b:199699065
TEST=sudo crossdev riscv64-cros-elf

Change-Id: I5e93be810611c4097e86644ddba629add51f5ad8
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/overlays/portage-stable/+/3148356
Reviewed-by: Dan Callaghan <dcallagh@chromium.org>
Reviewed-by: Mike Frysinger <vapier@chromium.org>
Commit-Queue: Dan Callaghan <dcallagh@chromium.org>
Tested-by: Dan Callaghan <dcallagh@chromium.org>
5 files changed