Limit sata_rcar host driver to ARCH_SHMOBILE as Renesas R-Car SATA
support is specific to Renesas SoCs and the driver to work requires
suitable device tree node (or platform device) to be defined.

Cc: Simon Horman <horms@verge.net.au>
Cc: Magnus Damm <magnus.damm@gmail.com>
Signed-off-by: Bartlomiej Zolnierkiewicz <redacted>
---
 drivers/ata/Kconfig |    1 +
 1 file changed, 1 insertion(+)

Index: b/drivers/ata/Kconfig
===================================================================

--- a/drivers/ata/Kconfig	2014-03-25 19:52:31.952327027 +0100
+++ b/drivers/ata/Kconfig	2014-03-25 19:57:21.104322097 +0100

@@ -298,6 +298,7 @@ config SATA_PROMISE
 
 config SATA_RCAR
 	tristate "Renesas R-Car SATA support"
+	depends on ARCH_SHMOBILE
 	help
 	  This option enables support for Renesas R-Car Serial ATA.