OMAP5+: sata/scsi: Implement scsi_init()

On OMAP platforms, SATA controller provides the SCSI subsystem
so implement scsi_init().

Get rid of the unnecessary sata_init() call from dra7xx-evm
and omap5-uevm board files.

Signed-off-by: Roger Quadros <rogerq@ti.com>

arch/arm/cpu/armv7/omap-common/sata.c

@@ -74,3 +74,9 @@ int init_sata(int dev)
 
 	return ret;
 }
+
+/* On OMAP platforms SATA provides the SCSI subsystem */
+void scsi_init(void)
+{
+	init_sata(0);
+}

board/ti/dra7xx/evm.c

@@ -93,7 +93,6 @@ int board_late_init(void)
 	else
 		setenv("board_name", "dra7xx");
 #endif
-	init_sata(0);
 	return 0;
 }
 

board/ti/omap5_uevm/evm.c

@@ -69,12 +69,6 @@ int board_init(void)
 	return 0;
 }
 
-int board_late_init(void)
-{
-	init_sata(0);
-	return 0;
-}
-
 int board_eth_init(bd_t *bis)
 {
 	return 0;

include/configs/omap5_uevm.h

@@ -72,7 +72,6 @@
 /* Max time to hold reset on this board, see doc/README.omap-reset-time */
 #define CONFIG_OMAP_PLATFORM_RESET_TIME_MAX_USEC	16296
 
-#define CONFIG_BOARD_LATE_INIT
 #define CONFIG_CMD_SCSI
 #define CONFIG_LIBATA
 #define CONFIG_SCSI_AHCI