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powerpc/dts: Remove "spidev" nodes

"spidev" is not a real device, but a Linux implementation detail. It has
never been documented either. The kernel has WARNed on the use of it for
over 6 years. Time to remove its usage from the tree.

Signed-off-by: Rob Herring <robh@kernel.org>
Reviewed-by: Mark Brown <broonie@kernel.org>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
Link: https://lore.kernel.org/r/20211217221400.3667133-1-robh@kernel.org

authored by

Rob Herring and committed by
Michael Ellerman 9cbbe6ba 30e120e6

-14
-8
arch/powerpc/boot/dts/digsy_mtc.dts
··· 25 25 status = "disabled"; 26 26 }; 27 27 28 - spi@f00 { 29 - msp430@0 { 30 - compatible = "spidev"; 31 - spi-max-frequency = <32000>; 32 - reg = <0>; 33 - }; 34 - }; 35 - 36 28 psc@2000 { // PSC1 37 29 status = "disabled"; 38 30 };
-6
arch/powerpc/boot/dts/o2d.dtsi
··· 34 34 #address-cells = <1>; 35 35 #size-cells = <0>; 36 36 cell-index = <0>; 37 - 38 - spidev@0 { 39 - compatible = "spidev"; 40 - spi-max-frequency = <250000>; 41 - reg = <0>; 42 - }; 43 37 }; 44 38 45 39 psc@2200 { // PSC2