Update CHANGELOG.md for 3.5.0

Update CHANGELOG.md and collect Tested-by tags.

Signed-off-by: Joakim Bech <[email protected]>
Tested-by: Joakim Bech <[email protected]> (RPi3B)
Tested-by: Jerome Forissier <[email protected]> (HiKey960, GP)
Tested-by: Etienne Carriere <[email protected]> (b2260, GP)
Tested-by: Peng Fan <[email protected]> (imx6q-sabresd, imx8mm-evk)
Tested-by: Sandeep Tripathy <[email protected]> (bcm-ns3)
Tested-by: Igor Opaniuk <[email protected]> (Poplar)
Tested-by: Volodymyr Babchuk <[email protected]> (RCAR H3)
Tested-by: Volodymyr Babchuk <[email protected]> (RCAR H3/virtualization)
Tested-by: Akshay Bhat <[email protected]> (Atmel SAM)
Tested-by: Sumit Garg <[email protected]> (Developerbox)
Tested-by: Victor Chong <[email protected]> (HiKey AOSP, HiKey960 AOSP)
Tested-by: Jerome Forissier <[email protected]> (HiKey960)
Tested-by: Jens Wiklander <[email protected]> (QEMU v8)
Tested-by: Joakim Bech <[email protected]> (QEMU v7)
Tested-by: Joakim Bech <[email protected]> (FVP)
Tested-by: Jens Wiklander <[email protected]> (Hikey)
Tested-by: Andrew F. Davis <[email protected]> (DRA7xx, AM43xx, AM57xx, AM65x)
Tested-by: Jens Wiklander <[email protected]> (FVP)
Tested-by: Bryan O'Donoghue <[email protected]> (WaRP7)
Tested-by: Jens Wiklander <[email protected]> (Juno)
Tested-by: Rouven Czerwinski <[email protected]> (imx6qsabresd)

CHANGELOG.md

@@ -1,3 +1,13 @@
+# OP-TEE - version 3.5.0 (2019-04-26)
+
+- Link to the GitHub [release page][github_release_3_5_0].
+- Links to the [commits][github_commits_3_5_0] and
+[pull requests][github_pr_3_5_0] merged into this release.
+
+[github_release_3_5_0]: https://github.com/OP-TEE/optee_os/releases/tag/3.5.0
+[github_commits_3_5_0]: https://github.com/OP-TEE/optee_os/compare/3.4.0...3.5.0
+[github_pr_3_5_0]: https://github.com/OP-TEE/optee_os/pulls?q=is%3Apr+is%3Amerged+base%3Amaster+merged%3A2019-01-26..2019-04-26
+
 # OP-TEE - version 3.4.0 (2019-01-25)
 
 - Link to the GitHub [release page][github_release_3_4_0].