webos-image: nyx-modules=91-r10

:Release Notes:
The NYX_OS_INFO_WEBOS_PRERELEASE query now returns the value of
WEBOS_DISTRO_PRERELEASE, which is intended to be set in DISTRO.conf .

:Detailed Notes:
Note that CMakeLists.txt arranges for the return value of the
NYX_OS_INFO_WEBOS_PRERELEASE query to be "" when WEBOS_DISTRO_PRERELEASE
is not defined on the command line.

a2e4a7b Implement query for NYX_OS_INFO_WEBOS_PRERELEASE
b1b8e82 Cosmetic change to apply code formatting

:Testing Performed:
Tested query with and without WEBOS_DISTRO_PRERELEASE set before
building nyx-modules.

:QA Notes:

:Issues Addressed:
[GF-2855]  nyx-modules: Replace NYX_OS_INFO_WEBOS_PRERELEASE with a real
           value
[GF-36793] CCC: nyx-modules=91 and WEBOS_DISTRO_PRERELEASE changes

Open-webOS-DCO-1.0-Signed-off-by: Martin Jansa <martin.jansa@lge.com>
Change-Id: I0108bb9c4ace16280d78710744631e10f280dffe
Reviewed-on: https://g2g.palm.com/3336
Reviewed-by: Herb Kuta <herb.kuta@lge.com>
Tested-by: Herb Kuta <herb.kuta@lge.com>
Reviewed-by: Build Verification
Reviewed-by: Susan Montooth <susan.montooth@lge.com>