Update CHANGELOG for 3.15.0 and collect Tested-by tags.
Signed-off-by: Ruchika Gupta <ruchika.gupta@linaro.org>
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6dlsabreauto)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6dlsabresd)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6qpsabreauto)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6qsabresd)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6sllevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6sxsabresd)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6ulevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6ullevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx6ulzevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx7dsabresd)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx7ulpevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx8mmevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx8mnevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx8mpevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx8mqevk)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx8qmmek)
Tested-by: Clement Faure <clement.faure@nxp.com> (imx-mx8qxpmek)
Tested-by: Etienne Carriere <etienne.carriere@linaro.org> (stm32mp1-157C_DK2 gp pkcs11)
Tested-by: Etienne Carriere <etienne.carriere@linaro.org> (stm32mp1-157C_EV1 gp pkcs11 StMM)
Tested-by: Igor Opaniuk <igor.opaniuk@foundries.io> (Poplar)
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (FVP)
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (Juno)
Tested-by: Jens Wiklander <jens.wiklander@linaro.org> (imx-mx8mqevk)
Tested-by: Jerome Forissier <jerome@forissier.org> (hikey-hikey)
Tested-by: Jerome Forissier <jerome@forissier.org> (hikey-hikey960)
Tested-by: Jerome Forissier <jerome@forissier.org> (vexpress-qemu_armv8a)
Tested-by: Jerome Forissier <jerome@forissier.org> (vexpress-qemu_virt)
Tested-by: Joakim Bech <joakim.bech@linaro.org> (RPi3B)
Tested-by: Ricardo Salveti <ricardo@foundries.io> (ZynqMP)
Tested-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> (imx-mx6qsabrelite barebox kernel 5.14.9)
Tested-by: Rouven Czerwinski <r.czerwinski@pengutronix.de> (imx-mx6ulccimx6ulsbcpro barebox kernel 5.14.9)
Tested-by: Sahil Malhotra <sahil.malhotra@nxp.com> (LS1012A-RDB)
Tested-by: Sahil Malhotra <sahil.malhotra@nxp.com> (LS1028A-RDB)
Tested-by: Sahil Malhotra <sahil.malhotra@nxp.com> (LS1043A-RDB)
Tested-by: Sahil Malhotra <sahil.malhotra@nxp.com> (LS1046A-RDB)
Tested-by: Sahil Malhotra <sahil.malhotra@nxp.com> (LS1088A-RDB)
Tested-by: Sahil Malhotra <sahil.malhotra@nxp.com> (LS2088A-RDB)
Tested-by: Sahil Malhotra <sahil.malhotra@nxp.com> (LX2160A-RDB)
Tested-by: Sumit Garg <sumit.garg@linaro.org> (Developerbox)
Tested-by: Victor Chong <victor.chong@linaro.org> (QEMUv8 AOSP)
Tested-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com> (rcar-salvator_m3_2x4g / virt)
Tested-by: Volodymyr Babchuk <volodymyr_babchuk@epam.com> (rcar-salvator_m3_2x4g)
Tested-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org> (bpi0)
Tested-by: Ying-Chun Liu (PaulLiu) <paul.liu@linaro.org> (mx8mm_cl_iot_gate)