This variable controls the package version as seen in the SPDX 3.0 JSON
output (software_packageVersion). The default value for this variable is
PV.
(From yocto-docs rev: 3b483c5295b26748c6f2cd63074b20ac3da97b32)
Signed-off-by: Antonin Godard <antonin.godard@bootlin.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>