drivers: block: dwc_ahci: Implement a driver for Synopsys DWC sata device

Implement a sata driver for Synopsys DWC sata device based on
U-boot driver model.

Signed-off-by: Mugunthan V N <mugunthanvnm@ti.com>
Signed-off-by: Jean-Jacques Hiblot <jjhiblot@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
diff --git a/drivers/block/Kconfig b/drivers/block/Kconfig
index 88e66e2..6cbe145 100644
--- a/drivers/block/Kconfig
+++ b/drivers/block/Kconfig
@@ -48,4 +48,14 @@
 	  ZynqMP. Support up to 2 external devices. Complient with SATA 3.1 and
 	  AHCI 1.3 specifications with hot-plug detect feature.
 
+
+config DWC_AHCI
+	bool "Enable Synopsys DWC AHCI driver support"
+	select SCSI_AHCI
+	select PHY
+	depends on DM_SCSI
+	help
+	  Enable this driver to support Sata devices through
+	  Synopsys DWC AHCI module.
+
 endmenu