qrcode: upgraded package to upstream

Upgraded dev-python/qrcode to version 5.1-r1 on amd64, x86

BUG=chrome-os-partner:49181
TEST=emerge qrcode && python -c "import qrcode"

Change-Id: I248099dc074c9e322c2f2040e5d72133c9ac44d4
Reviewed-on: https://chromium-review.googlesource.com/321225
Commit-Ready: Zhikai Mo <Zhikai_Mo@asus.com>
Tested-by: Zhikai Mo <Zhikai_Mo@asus.com>
Reviewed-by: Hung-Te Lin <hungte@chromium.org>
Reviewed-by: Bowgo Tsai <bowgotsai@chromium.org>
(cherry picked from commit d8d3cba4e51d55907ae6526ae3079c4317a0a1af)
Reviewed-on: https://chromium-review.googlesource.com/535299
Commit-Queue: Kiana Hsieh <Kiana.Hsieh@quantatw.com>
Tested-by: Kiana Hsieh <Kiana.Hsieh@quantatw.com>
Reviewed-by: Michael H Yang <michael.h.yang@intel.com>
Reviewed-by: Marco Chen <marcochen@chromium.org>
4 files changed