[POWERPC] 83xx: enable FSL SATA driver config for Freescale SoCs

The mpc8315 shares the same SATA controller as the mpc837x,
and likelihood is that future SoCs from Freescale will also.
Signed-off-by: Jerry Huang <Chang-Ming.Huang@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

drivers/ata/Kconfig

@@ -184,7 +184,7 @@ config PATA_ACPI
 
 config SATA_FSL
 	tristate "Freescale 3.0Gbps SATA support"
-	depends on PPC_MPC837x
+	depends on FSL_SOC
 	help
 	  This option enables support for Freescale 3.0Gbps SATA controller.
 	  It can be found on MPC837x and MPC8315.