ahci: qoriq: Add platform dependencies

The Freescale QorIQ AHCI SATA controller is only present on Freescale
Layerscape SoCs. Add platform dependencies to the AHCI_QORIQ config
symbol, to avoid asking the user about it when configuring a kernel
without Layerscape support.

Signed-off-by: Geert Uytterhoeven <[e-mail]>
Acked-by: Arnd Bergmann <[e-mail]>
Acked-by: Li Yang <[e-mail]>
Signed-off-by: Damien Le Moal <[e-mail]>

drivers/ata/Kconfig

···
 config AHCI_QORIQ
 	tristate "Freescale QorIQ AHCI SATA support"
 	depends on OF
+	depends on SOC_LS1021A || ARCH_LAYERSCAPE || COMPILE_TEST
 	select SATA_HOST
 	help
 	  This option enables support for the Freescale QorIQ AHCI SoC's