tzdata: update SRC_URI
tzdata: update SRC_URI

Update the SRC_URI of tzdata.inc to tzmirror.sunbase.org since
elsie.nci.nih.gov seems to be down.

Signed-off-by: Apelete Seketeli <5513108e721878f07bfb2a30cd534488c7df106c@seketeli.net>

sledz/oe,mrchapp/arago-oe-dev,mrchapp/arago-oe-dev,mrchapp/arago-oe-dev,sledz/oe,sledz/oe,sledz/oe,mrchapp/arago-oe-dev,sledz/oe,sledz/oe,mrchapp/arago-oe-dev,sledz/oe,mrchapp/arago-oe-dev,mrchapp/arago-oe-dev