Pull mailbox updates from Jassi Brar:

 - mtk:
     - added support for mt8192 and mt8195
     - minor fix regarding address shift

 - qcom:
     - added compatibles for MSM8953, SM6350 and SM6115
     - enable loading IPCC as a module

 - misc:
     - change Altera maintainer
     - fix sti kernel-doc warnings

* tag 'mailbox-v5.15' of git://git.linaro.org/landing-teams/working/fujitsu/integration:
  mailbox: cmdq: add multi-gce clocks support for mt8195
  mailbox: cmdq: add mediatek mailbox support for mt8195
  dt-bindings: gce: add gce header file for mt8195
  dt-bindings: mailbox: add definition for mt8195
  mailbox: qcom-apcs-ipc: Add compatible for MSM8953 SoC
  dt-bindings: mailbox: Add compatible for the MSM8953
  dt-bindings: mailbox: qcom-ipcc: Add compatible for SM6350
  mailbox: qcom: Add support for SM6115 APCS IPC
  dt-bindings: mailbox: qcom: Add SM6115 APCS compatible
  soc: mediatek: cmdq: add address shift in jump
  mailbox: cmdq: add mt8192 support
  dt-binding: gce: add gce header file for mt8192
  MAINTAINERS: Replace Ley Foon Tan as Altera Mailbox maintainer
  mailbox: qcom-ipcc: Enable loading QCOM_IPCC as a module
  mailbox: sti: quieten kernel-doc warnings