Sync the device tree and dt-bindings from Linux v5.7-rc1 8f3d9f354286
("Linux 5.7-rc1").
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>

Sync the device tree and dt-bindings from Linux v5.6-rc2
11a48a5a18c6 ("Linux 5.6-rc2")

The only exception to this is the mmc pinctrl pin bias of gxl SoC family.
This is a fix which found its way to u-boot but not Linux yet.
Acked-by: NNeil Armstrong <narmstrong@baylibre.com>
Signed-off-by: NJerome Brunet <jbrunet@baylibre.com>
Signed-off-by: NNeil Armstrong <narmstrong@baylibre.com>