[yocto] Resend QA cycle report for 2.4.2 RC2

[Yeoh, Ee Peng]

Hello All,
Resend the full report for 2.4.2 RC2 with updated information:  
https://wiki.yoctoproject.org/wiki/WW10_-_2018-03-05-_Full_Test_Cycle_-_2.4.2_rc2

======= Summary ========

The QA cycle for release 2.4.2 RC2 was completed including the performance test.  Team had discovered 3 new bugs (oeselftest.sstatetests.test_sstate_sametune_samesigs failed, x11perf failed on minnowmax and nuc, toaster run again button does not behaved as expected).

For testrun# 9206-9212, testopia testcases not 100% completed as there are some outdated testcases that were no longer available in oeqa/selftest testsuite, pending testopia data cleanup. 

Performance tests were executed for both 2.4.2 RC2 and 2.4.1 RC1 (as regression and benchmark) on these new machines in linux foundation. 

======= QA-Hints========

QA shows no major bug.

======= Bugs ========

New Bugs
[1] 12587 - [2.4.2 rc2] test_sstate_sametune_samesigs (sstatetests.SStateTests) [2] 12590 - [2.4.2 rc2] No. of Chars/sec For Yocto Image is very Low To that of Ubuntu [3] 12591 - [2.4.2 rc2] Run again button from all builds page must run the specified task

======== Links =========
1. https://bugzilla.yoctoproject.org/show_bug.cgi?id=12587
2. https://bugzilla.yoctoproject.org/show_bug.cgi?id=12590
3. https://bugzilla.yoctoproject.org/show_bug.cgi?id=12591

Regards
Ee Peng