riscv: dts: use capital "OR" for multiple licenses in SPDX

Documentation/process/license-rules.rst and checkpatch expect the SPDX
identifier syntax for multiple licenses to use capital "OR". Correct it
to keep consistent format and avoid copy-paste issues.

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Reviewed-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230823085238.113642-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>

riscv: dts: nezha-d1: add gpio-line-names

Add descriptive names so users can associate specific lines with their
respective pins on the 40-pin header according to the schematics.

Signed-off-by: Trevor Woerner <twoerner@gmail.com>
Link: http://dl.linux-sunxi.org/D1/D1_Nezha_development_board_schematic_diagram_20210224.pdf
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230210025132.36605-2-twoerner@gmail.com
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>

riscv: dts: allwinner: Add Allwinner D1 Nezha devicetree

"D1 Nezha" is Allwinner's first-party development board for the D1 SoC.
It was shipped with 512M, 1G, or 2G of DDR3. It supports onboard audio,
HDMI, gigabit Ethernet, WiFi and Bluetooth, USB 2.0 host and OTG ports,
plus low-speed I/O from the SoC and a GPIO expander chip.

Acked-by: Jernej Skrabec <jernej.skrabec@gmail.com>
Acked-by: Palmer Dabbelt <palmer@rivosinc.com>
Reviewed-by: Guo Ren <guoren@kernel.org>
Reviewed-by: Heiko Stuebner <heiko@sntech.de>
Tested-by: Conor Dooley <conor.dooley@microchip.com>
Tested-by: Heiko Stuebner <heiko@sntech.de>
Signed-off-by: Samuel Holland <samuel@sholland.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Link: https://lore.kernel.org/r/20230126045738.47903-7-samuel@sholland.org
Signed-off-by: Jernej Skrabec <jernej.skrabec@gmail.com>