python3: update target and native recipes to 3.5.4

python3: update target and native recipes to 3.5.4

Use the latest 3.5 version until the 3.6 migration is complete

Removed the following upstreamed patches:
  - python3/Fix-29519-weakref-spewing-exceptions-during-interp-f.patch
  - python3/upstream-random-fixes.patch

Rebased the following pathes:
  - python3/0001-cross-compile-support.patch

Regenerated the manifest based on the latest release version

Updated the license checksum for the latest version that updated the
copyright dates

Signed-off-by: Derek Straka <derek@asterius.io>
Signed-off-by: Ross Burton <ross.burton@intel.com>