Log Message:
Update to 4.11.1nb1
PKGREVISION set to 1 on purpose, because this is not a stock 4.11.1 kernel
(it includes security patches).
4.11.1 includes all security patches up to XSA282.
Apply official patches for XSA284, XSA285, XSA287, XSA288, XSA290, XSA291,
XSA292, XSA293 and XSA294.
Other changes since 4.11.0 are mostly bugfixes, no new features.