Adapt the recipes to fetch a tarball.
Tarball is generated from latest 2.16 branch
which has e500-math_private.patch already applied
hence we remove that patch.
(From OE-Core rev: 77ee4d7d88976c7bb2bb25b57e06b83edaacbd4c)
Signed-off-by: Khem Raj <raj.khem@gmail.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>