Merge branch 'gatesgarth' of https://github.com/htot/meta-intel-edison into gatesgarth

.../Edison/Building/2.0-Building-and-installing-the-image.md

.../Building/2.1-Building-and-installing-the-rootfs-to-sd.md

..._docs/Edison/Building/2.3-Building-and-flashing-U-boot.md

docs/_docs/Edison/Building/2.6-Building-Debian.md

...docs/Edison/Moving to btrfs/6.1-How-to-switch-to-btrfs.md

..._docs/Edison/Setting Up/1.1-Prerequisites-for-building.md

...x86-tangier-acpi-Add-GPIO-card-detection-to-SDHCI-2.patch

...-boot/files/0002-x86-edison-Mark-eMMC-non-removable.patch

...u-boot/files/0003-x86-edison-Enable-GPIO-controller.patch

...004-x86-edison-Enable-SD-card-detect-on-the-SDHCI-2.patch

...l-edison-bsp/recipes-bsp/u-boot/u-boot-common_2021.04.inc

...mc-sdhci-pci-Read-card-detect-from-ACPI-for-Intel-M.patch

...mc-sdhci-pci-Remove-dead-code-struct-sdhci_pci_data.patch

...ux/files/0003-mmc-slot-gpio-Refactor-mmc_gpio_alloc.patch

...mc-slot-gpio-Update-default-label-when-no-con_id-pr.patch

...intel-edison-bsp/recipes-kernel/linux/linux-yocto_5.14.bb

meta-intel-edison-bsp/recipes-kernel/sof/sof-fw.bb

meta-intel-edison-distro/conf/distro/poky-edison.conf

utils/Makefile.mk

utils/debian_2_mkimage.sh