sys-kernel/gentoo-sources: Linux patch 4.19.0 and additional patches

sys-kernel/gentoo-sources: Linux patch 4.19.0 and additional patches

Patch to support for namespace user.pax.* on tmpfs.
Enable link security restrictions by default.
Add UAS disable quirk. See bug #640082.
hid-apple patch to enable swapping of the FN and left Control keys and
on some apple keyboards. See bug #622902.
Bootsplash ported by Conrad Kostecki. (Bug #637434).
Enable control of the unaligned access control policy from sysctl
Patch that adds Gentoo Linux support config settings and defaults.
Kernel patch enables gcc >= v4.13 optimizations for additional CPUs.

Signed-off-by: Mike Pagano <mpagano@gentoo.org>
Package-Manager: Portage-2.3.50, Repoman-2.3.11