spi: bcm63xx-hsspi: allow to use this driver on arm bcm68360

This IP is also used on some arm SoC, so we allow to
use it on arm bcm68360 too.

Signed-off-by: Philippe Reynes <philippe.reynes@softathome.com>
diff --git a/drivers/spi/Kconfig b/drivers/spi/Kconfig
index fae2040..73d1a69 100644
--- a/drivers/spi/Kconfig
+++ b/drivers/spi/Kconfig
@@ -84,7 +84,8 @@
 
 config BCM63XX_HSSPI
 	bool "BCM63XX HSSPI driver"
-	depends on (ARCH_BMIPS || ARCH_BCM6858 || ARCH_BCM63158)
+	depends on (ARCH_BMIPS || ARCH_BCM68360 || \
+		    ARCH_BCM6858 || ARCH_BCM63158)
 	help
 	  Enable the BCM6328 HSSPI driver. This driver can be used to
 	  access the SPI NOR flash on platforms embedding this Broadcom