spi: dt-bindings: cleanup examples - indentation, lowercase hex

Cleanup examples:
- use 4-space indentation (for cases when it is neither 4 not 2 space),
- drop redundant blank lines,
- use lowercase hex.

No functional impact except adjusting to preferred coding style.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Geert Uytterhoeven <geert+renesas@glider.be> # renesas
Reviewed-by: Andrew Jeffery <andrew@aj.id.au> # aspeed
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> # meson
Link: https://lore.kernel.org/r/20230124083342.34869-2-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

spi: dt-bindings: drop unneeded quotes

Cleanup by removing unneeded quotes from refs and redundant blank lines.
No functional impact except adjusting to preferred coding style.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Reviewed-by: Andrew Jeffery <andrew@aj.id.au> # aspeed
Reviewed-by: Neil Armstrong <neil.armstrong@linaro.org> # meson
Reviewed-by: Patrice Chotard <patrice.chotard@foss.st.com> # st
Reviewed-by: Heiko Stuebner <heiko@sntech.de> # rockchip
Reviewed-by: Serge Semin <fancer.lancer@gmail.com> # synopsys
Acked-by: Rob Herring <robh@kernel.org>
Link: https://lore.kernel.org/r/20230124083342.34869-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>

spi: dt-bindings: remove unused required property

fix issue
/builds/robherring/linux-dt/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.example.dt.yaml:
spi@9C002D80: 'clocks-names' is a required property
From schema: /builds/robherring/linux-dt/Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml
delete unused required(clock-name)

Fixes: 3b8ab4da34 ("spi: Fix test error for sp7021")

Reported-by: Rob Herring <robh+dt@kernel.org>
Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com>
Link: https://lore.kernel.org/r/097bbc8b703b17e8fb3e3f6f6d2f97fe668bd5c5.1645770648.git.lhjeff911@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

spi: Fix test error for sp7021.

Remove the include path and modify parameters for fix error for bt binding test

Fixes: a708078eeb99 ("spi: Add Sunplus SP7021 schema")
Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com>
Link: https://lore.kernel.org/r/b8a94fbfcab68b1279b09b6297099310c209927b.1644198244.git.lhjeff911@gmail.com
Signed-off-by: Mark Brown <broonie@kernel.org>

spi: dt-bindings: add mising description type to reg property

Added missing description type.

Fixes warning:
Documentation/devicetree/bindings/spi/spi-sunplus-sp7021.yaml: properties:reg:items: 'anyOf' conditional failed

Fixes: a708078eeb99 ("spi: Add Sunplus SP7021 schema")

Signed-off-by: David Heidelberg <david@ixit.cz>
Link: https://lore.kernel.org/r/20220202104715.27839-1-david@ixit.cz
Signed-off-by: Mark Brown <broonie@kernel.org>

spi: Add Sunplus SP7021 schema

Add bindings for Sunplus SP7021 spi driver

Signed-off-by: Li-hao Kuo <lhjeff911@gmail.com>
Signed-off-by: Mark Brown <broonie@kernel.org>