ARM: dts: Modify SPI nodes according generic DMA DT bindings
ARM: dts: Modify SPI nodes according generic DMA DT bindings

This patch removes custom way of adding spi dma channels and
adds according to new generic DMA DT bindings.

Signed-off-by: Padmavathi Venna <922186f1b05e1641ebe6d616fa106c700110e7c6@samsung.com>
Signed-off-by: Mark Brown <b51b9a92386687a9ac927cebfa0f978adeb8cea5@opensource.wolfsonmicro.com>

TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs