Update to YP 3.1.7

Update to YP 3.1.7

Update poky to the include the yocto-3.1.7 revision plus some
additional requested bugfix commits after the release tag, and also
uprev various non-BSP layers to their latest dunfell revisions to
pick up fixes. Note that the meta-updater layers have purposely not
been updated due to new build issues that require investigation.
Additionally, the meta-spdxscanner layer has been switched to its
dunfell branch now that it has one.

On the BSP side, the meta-freescale layers have been updated to pick
up fixes, other community supported hardware BSP layer updates will
be addressed separately at a later time.

Bug-AGL: SPEC-3901

Signed-off-by: Scott Murray <scott.murray@konsulko.com>
Change-Id: Icb102573f8caca3e342d81a418370af95ddf4625