mac80211: backport ath9k GPIO support

...050-package-om-watchdog-add-OpenMesh-MR1750-support.patch

...-package-uboot-envtools-add-OpenMesh-MR1750-support.patch

...ofile-and-build-image-for-the-OpenMesh-MR1750-board.patch

...Extend-the-list-of-bits-in-QCA955X_GMAC_REG_ETH_CFG.patch

...71xx-Use-_eth_cfg-helper-for-Open-Mesh-MR900-boards.patch

...xx-Allow-to-use-ath79_gpio_output_select-on-QCA955x.patch

...1xx-Add-support-for-ath79_gpio_function_-on-QCA955X.patch

...r71xx-Add-QCA955X-GPIO-mux-and-function-definitions.patch

...nwrt/0058-ar71xx-Use-PHY-fixups-for-Open-Mesh-MR900.patch

...wrt/0059-ar71xx-Use-PHY-fixups-for-Open-Mesh-MR1750.patch

...te-version-of-ath79_setup_qca955x_eth_cfg-for-MR900.patch

...e-version-of-ath79_setup_qca955x_eth_cfg-for-MR1750.patch

...m-fwupgradecfg-gen.sh-Fix-u-boot-image-md5sum-check.patch

...fg-gen.sh-Generate-sha256sum-for-uboot-verification.patch

...x-add-kernel-support-for-the-OpenMesh-OM5P-AC-board.patch

...1xx-add-user-space-support-for-the-OpenMesh-OM5P-AC.patch

...-om-fwupgradecfg-gen.sh-add-support-for-the-OM5P-AC.patch

...7-ar71xx-enable-sysupgrade-for-the-OpenMesh-OM5P-AC.patch

...enwrt/0068-om-watchdog-add-OpenMesh-OM5P-AC-support.patch

...rt/0069-uboot-envtools-add-OpenMesh-OM5P-AC-support.patch