arm64: dts: fsd: Add SPI device nodes

Adds device tree node for SPI IPs

Cc: linux-fsd@tesla.com
Signed-off-by: Aswani Reddy <aswani.reddy@samsung.com>
Signed-off-by: Alim Akhtar <alim.akhtar@samsung.com>
Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>
Reviewed-by: Andi Shyti <andi@etezian.org>
Link: https://lore.kernel.org/r/20220125031604.76009-4-alim.akhtar@samsung.com


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@canonical.com>