dt-bindings: mtd: Drop unneeded quotes

Cleanup bindings dropping unneeded quotes. Once all these are fixed,
checking for this can be enabled in yamllint.

Signed-off-by: Rob Herring <robh@kernel.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Linus Walleij <linus.walleij@linaro.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de> #rockchip
Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Link: https://lore.kernel.org/linux-mtd/20230317233631.3968509-1-robh@kernel.org

dt-bindings: mtd: onenand: Mention the expected node name

The chip node name in this driver is expected to be different and should
be prefixed with onenand instead of the regular "flash" string, so
mention it.

Signed-off-by: Miquel Raynal <miquel.raynal@bootlin.com>
Reviewed-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/linux-mtd/20221114090315.848208-8-miquel.raynal@bootlin.com

dt-bindings: mtd: ti,gpmc-onenand: Convert to yaml

Convert gpmc-onenand.txt to ti,gpmc-onenand.yaml.

Signed-off-by: Roger Quadros <rogerq@kernel.org>
Reviewed-by: Rob Herring <robh@kernel.org>
Signed-off-by: Tony Lindgren <tony@atomide.com>