The device tree schema expects SPI controller to be named "spi",
otherwise dtbs_check complain with a warning like:
  spi-gpio-0: $nodename:0: 'spi-gpio-0' does not match '^spi(@.*|-[0-9a-f])*$'
Signed-off-by: Krzysztof Kozlowski <krzk@kernel.org>
Tested-by: Jonathan Bakker <xc-racer2@live.ca>
Link: https://lore.kernel.org/r/20200907161141.31034-25-krzk@kernel.org
                value = <0x5200>;
        };
 
-       spi_lcd: spi-gpio-0 {
+       spi_lcd: spi-2 {
                compatible = "spi-gpio";
                #address-cells = <1>;
                #size-cells = <0>;