sata: Only support BLK

No boards currently use SATA without BLK:

   ./tools/moveconfig.py -f SATA ~BLK
   0 matches

Make SATA depend on BLK to avoid any future confusion. Drop the dead code.

Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Stefan Roese <sr@denx.de>
diff --git a/drivers/ata/Kconfig b/drivers/ata/Kconfig
index f9978a3..1def930 100644
--- a/drivers/ata/Kconfig
+++ b/drivers/ata/Kconfig
@@ -9,6 +9,7 @@
 
 config SATA
 	bool "Support SATA controllers"
+	depends on BLK
 	select HAVE_BLOCK_DEVICE
 	help
 	  This enables support for SATA (Serial Advanced Technology
@@ -86,7 +87,6 @@
 	bool "Enable Freescale SATA controller driver support"
 	select AHCI
 	select LIBATA
-	depends on BLK
 	help
 	  Enable this driver to support the SATA controller found in
 	  some Freescale PowerPC SoCs.
@@ -95,7 +95,6 @@
 	bool "Enable Marvell SATA controller driver support"
 	select AHCI
 	select LIBATA
-	depends on BLK
 	help
 	  Enable this driver to support the SATA controller found in
 	  some Marvell SoCs.
@@ -104,7 +103,6 @@
 	bool "Enable Silicon Image SIL3131 / SIL3132 / SIL3124 SATA driver support"
 	select AHCI
 	select LIBATA
-	depends on BLK
 	help
 	  Enable this driver to support the SIL3131, SIL3132 and SIL3124
 	  SATA controllers.
diff --git a/drivers/ata/sata.c b/drivers/ata/sata.c
index 6a38d50..0e6c8cd 100644
--- a/drivers/ata/sata.c
+++ b/drivers/ata/sata.c
@@ -59,7 +59,6 @@
 #endif
 #endif
 
-#ifdef CONFIG_BLK
 static unsigned long sata_bread(struct udevice *dev, lbaint_t start,
 				lbaint_t blkcnt, void *dst)
 {
@@ -71,19 +70,6 @@
 {
 	return -ENOSYS;
 }
-#else
-static unsigned long sata_bread(struct blk_desc *block_dev, lbaint_t start,
-				lbaint_t blkcnt, void *dst)
-{
-	return sata_read(block_dev->devnum, start, blkcnt, dst);
-}
-
-static unsigned long sata_bwrite(struct blk_desc *block_dev, lbaint_t start,
-				 lbaint_t blkcnt, const void *buffer)
-{
-	return sata_write(block_dev->devnum, start, blkcnt, buffer);
-}
-#endif
 
 #ifndef CONFIG_AHCI
 int __sata_initialize(void)
@@ -100,10 +86,6 @@
 		sata_dev_desc[i].lba = 0;
 		sata_dev_desc[i].blksz = 512;
 		sata_dev_desc[i].log2blksz = LOG2(sata_dev_desc[i].blksz);
-#ifndef CONFIG_BLK
-		sata_dev_desc[i].block_read = sata_bread;
-		sata_dev_desc[i].block_write = sata_bwrite;
-#endif
 		rc = init_sata(i);
 		if (!rc) {
 			rc = scan_sata(i);
@@ -134,7 +116,6 @@
 int sata_stop(void) __attribute__((weak, alias("__sata_stop")));
 #endif
 
-#ifdef CONFIG_BLK
 static const struct blk_ops sata_blk_ops = {
 	.read	= sata_bread,
 	.write	= sata_bwrite,
@@ -145,11 +126,3 @@
 	.id		= UCLASS_BLK,
 	.ops		= &sata_blk_ops,
 };
-#else
-U_BOOT_LEGACY_BLK(sata) = {
-	.if_typename	= "sata",
-	.if_type	= IF_TYPE_SATA,
-	.max_devs	= CONFIG_SYS_SATA_MAX_DEVICE,
-	.desc		= sata_dev_desc,
-};
-#endif