Set SRCTREECOVEREDTASKS appropriately in the workspace .bbappend file
for kernel recipes. This tries to ensure that all needed tasks (esp.
configure and patch) are run when building the kernel - tasks which
would normally be disabled by externalsrc.bbclass.
[YOCTO #6658]
(From OE-Core rev: f0a3a38a653c643468452eba43a12795136720c9)
Signed-off-by: Markus Lehtonen <markus.lehtonen@linux.intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>