spi: xlp: Enable SPI driver for Broadcom Vulcan ARM64

- Vulcan spi controller is compatible with netlogic,xlp832-spi.
- Add depends on ARCH_VULCAN to Kconfig to enable spi controller
  driver for Broadcom Vulcan ARM64 SoCs.
Signed-off-by: NKamlakant Patel <kamlakant.patel@broadcom.com>
Signed-off-by: NMark Brown <broonie@kernel.org>

drivers/spi/Kconfig

@@ -656,7 +656,7 @@ config SPI_XILINX
 
 config SPI_XLP
 	tristate "Netlogic XLP SPI controller driver"
-	depends on CPU_XLP || COMPILE_TEST
+	depends on CPU_XLP || ARCH_VULCAN || COMPILE_TEST
 	help
 	  Enable support for the SPI controller on the Netlogic XLP SoCs.
 	  Currently supported XLP variants are XLP8XX, XLP3XX, XLP2XX, XLP9XX