[linux-yocto] v4.8.x - stable updates comprising v4.8.24

[Paul Gortmaker]

Bruce, Yocto kernel folks:

Here is another 4.8.x stable update.  Continuing on top of the
previously released v4.8.23 kernel, we now have the appropriate content
from 4.9.18 to 4.9.21 (inclusive) applied on top of our latest 4.8
baseline.  Once again, I've combined several 4.9.x which results in
about 150 backported commits out of the 200 found in that 4.9.x range.

As usual, I've put this 4.8.x queue through the various testing that I
figured made sense, which includes but is not limited to:

-x86-64 sanity boot test of defconfig on COTS Core2 i915 family box.
-build MIPS, PPC, ARM, ARM64 with yocto .config and toolchains
-build x86-64 allmodconfig/allyesconfig
-build i386 defconfig

I bumped the Makefile and did the signed tag just as per the previously
released 4.8.x versions.

Please find a signed v4.8.24 tag using this key:

http://pgp.mit.edu/pks/lookup?op=vindex&search=0xEBCE84042C07D1D6

in the repo in my kernel.org directory here:

   https://git.kernel.org/cgit/linux/kernel/git/paulg/linux-4.8.y.git/
   git://git.kernel.org/pub/scm/linux/kernel/git/paulg/linux-4.8.y.git

for merge to standard/base in linux-yocto-4.8 and then out from there
into the other base and BSP branches.

For those who are interested, the evolution of the commits is here:

   https://git.kernel.org/cgit/linux/kernel/git/paulg/longterm-queue-4.8.git/

This repo isn't needed for anything; it just exists for transparency and
so people can see how the commits were adjusted to apply to the 4.8.x
kernel baseline in case people are interested.

Paul.
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