Public bug reported:

[SRU Justification, XENIAL]

The fwts UEFI test driver is now upstream in Linux 4.9 and also in the
Ubuntu Yakkety 4.8 kernel, so it would be useful for fwts support to add
it into the Xenial kernel as default (for example Xenial bases fwts
snaps as we can dispense with the DKMS module support).

[Fix]
Upstream commit ff6301dabc3ca20ab8f50f8d0252ac05da610d8 "efi: Add efi_test 
driver for exporting UEFI runtime service interfaces"

This patch requires a minor patch wiggle on the Makefile and Kconfig to
backport to Xenial.

[Test]
Build fwts from the source and run on a Xenial kernel w/o the fwts dpkg based 
efi driver and run "sudo fwts --uefitests -" and the tests will fail.  Install 
the fixed kernel with the driver and the tests will now run because the module 
is loaded by fwts and we can now exercise the UEFI run time interfaces from 
fwts as root.

[Regression Potential]
This adds test functionality and will not impact on any other driver or 
subsystem. To access these test interfaces one requires root privileges, so 
risk of normal unprivileged uses accessing UEFI run time services are zero.

** Affects: linux (Ubuntu)
     Importance: Low
     Assignee: Colin Ian King (colin-king)
         Status: In Progress

** Changed in: linux (Ubuntu)
       Status: New => In Progress

** Changed in: linux (Ubuntu)
   Importance: Undecided => Low

** Changed in: linux (Ubuntu)
     Assignee: (unassigned) => Colin Ian King (colin-king)

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https://bugs.launchpad.net/bugs/1633506

Title:
  backport fwts UEFI test driver to Xenial

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