Update CHANGELOG for 3.8.0

Update CHANGELOG for 3.8.0 and collect Tested-by tags.

Signed-off-by: Jerome Forissier <jerome@forissier.org>
Tested-by: Joakim Bech <joakim.bech@linaro.org> (RPi3b)
Tested-by: Igor Opaniuk <igor.opaniuk@gmail.com> (Poplar)
Tested-by: Andrew F. Davis <afd@ti.com> (plat-ti)
Tested-by: Jerome Forissier <jerome@forissier.org> (HiKey)
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (Juno)
Tested-by: Jerome Forissier <jerome@forissier.org> (HiKey960, GP)
Tested-by: Sumit Garg <sumit.garg@linaro.org> (Developerbox)
Tested-by: Jerome Forissier <jerome@forissier.org> (QEMUv8)
Tested-by: Bryan O'Donoghue <bryan.odonoghue@linaro.org> WaRP7
Tested-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com> (Rcar H3)

CHANGELOG.md

@@ -1,3 +1,33 @@
+# OP-TEE - version 3.8.0 (2020-01-24)
+
+- Links to the release pages, commits and pull requests merged into this release for:
+ - OP-TEE/optee_os: [release page][OP_TEE_optee_os_release_3_8_0], [commits][OP_TEE_optee_os_commits_3_8_0] and [pull requests][OP_TEE_optee_os_pr_3_8_0]
+ - OP-TEE/optee_client: [release page][OP_TEE_optee_client_release_3_8_0], [commits][OP_TEE_optee_client_commits_3_8_0] and [pull requests][OP_TEE_optee_client_pr_3_8_0]
+ - OP-TEE/optee_test: [release page][OP_TEE_optee_test_release_3_8_0], [commits][OP_TEE_optee_test_commits_3_8_0] and [pull requests][OP_TEE_optee_test_pr_3_8_0]
+ - OP-TEE/build: [release page][OP_TEE_build_release_3_8_0], [commits][OP_TEE_build_commits_3_8_0] and [pull requests][OP_TEE_build_pr_3_8_0]
+ - linaro-swg/optee_examples: [release page][linaro_swg_optee_examples_release_3_8_0], [commits][linaro_swg_optee_examples_commits_3_8_0] and [pull requests][linaro_swg_optee_examples_pr_3_8_0]
+
+
+[OP_TEE_optee_os_release_3_8_0]: https://github.com/OP-TEE/optee_os/releases/tag/3.8.0
+[OP_TEE_optee_os_commits_3_8_0]: https://github.com/OP-TEE/optee_os/compare/3.7.0...3.8.0
+[OP_TEE_optee_os_pr_3_8_0]: https://github.com/OP-TEE/optee_os/pulls?q=is%3Apr+is%3Amerged+base%3Amaster+merged%3A2020-01-24..2020-01-24
+
+[OP_TEE_optee_client_release_3_8_0]: https://github.com/OP-TEE/optee_client/releases/tag/3.8.0
+[OP_TEE_optee_client_commits_3_8_0]: https://github.com/OP-TEE/optee_client/compare/3.7.0...3.8.0
+[OP_TEE_optee_client_pr_3_8_0]: https://github.com/OP-TEE/optee_client/pulls?q=is%3Apr+is%3Amerged+base%3Amaster+merged%3A2019-07-05..2020-01-24
+
+[OP_TEE_optee_test_release_3_8_0]: https://github.com/OP-TEE/optee_test/releases/tag/3.8.0
+[OP_TEE_optee_test_commits_3_8_0]: https://github.com/OP-TEE/optee_test/compare/3.7.0...3.8.0
+[OP_TEE_optee_test_pr_3_8_0]: https://github.com/OP-TEE/optee_test/pulls?q=is%3Apr+is%3Amerged+base%3Amaster+merged%3A2019-07-05..2020-01-24
+
+[OP_TEE_build_release_3_8_0]: https://github.com/OP-TEE/build/releases/tag/3.8.0
+[OP_TEE_build_commits_3_8_0]: https://github.com/OP-TEE/build/compare/3.7.0...3.8.0
+[OP_TEE_build_pr_3_8_0]: https://github.com/OP-TEE/build/pulls?q=is%3Apr+is%3Amerged+base%3Amaster+merged%3A2019-07-05..2020-01-24
+
+[linaro_swg_optee_examples_release_3_8_0]: https://github.com/linaro-swg/optee_examples/releases/tag/3.8.0
+[linaro_swg_optee_examples_commits_3_8_0]: https://github.com/linaro-swg/optee_examples/compare/3.7.0...3.8.0
+[linaro_swg_optee_examples_pr_3_8_0]: https://github.com/linaro-swg/optee_examples/pulls?q=is%3Apr+is%3Amerged+base%3Amaster+merged%3A2019-07-05..2020-01-24
+
 # OP-TEE - version 3.7.0 (2019-10-18)
 
 - Links to the release pages, commits and pull requests merged into this release for: