MMC core:
 - Update maintainer and URL for the mmc-utils
 - Set default label for slot-gpio in case of no con-id
 - Convert MMC card DT bindings to a schema
 - Add optional host specific tuning support for eMMC HS400
 - Add error handling of add_disk()

MMC host:
 - mtk-sd: Add host specific tuning support for eMMC HS400
 - mtk-sd: Make DMA handling more robust
 - dw_mmc: Prevent hangs for some data writes
 - dw_mmc: Move away from using the ->init_card() callback
 - mxs-mmc: Manage the regulator in the error path and in ->remove()
 - sdhci-cadence: Add support for the Microchip MPFS variant
 - sdhci-esdhc-imx: Add support for the NXP S32G2 variant
 - sdhci-of-arasan: Add support for the Intel Thunder Bay variant
 - sdhci-omap: Prepare to support more SoCs
 - sdhci-omap: Add support for omap3 and omap4 variants
 - sdhci-omap: Add support for power management
 - sdhci-omap: Add support for system wakeups
 - sdhci-msm: Add support for the msm8226 variant
 - sdhci-sprd: Verify that the DLL locks according to spec

MEMSTICK:
 - Add error handling of add_disk()
 - A couple of small fixes and improvements
Merge branch 'fixes' into next