ata: add the support for SATA framework

- add the SATA framework
- add the SATA command line

Signed-off-by: Dave Liu <daveliu@freescale.com>
diff --git a/common/Makefile b/common/Makefile
index 5c93abb..35ea374 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -88,6 +88,7 @@
 COBJS-$(CONFIG_CMD_PORTIO) += cmd_portio.o
 COBJS-$(CONFIG_CMD_REGINFO) += cmd_reginfo.o
 COBJS-$(CONFIG_CMD_REISER) += cmd_reiser.o
+COBJS-$(CONFIG_CMD_SATA) += cmd_sata.o
 COBJS-$(CONFIG_CMD_SCSI) += cmd_scsi.o
 COBJS-$(CONFIG_CMD_SETEXPR) += cmd_setexpr.o
 COBJS-$(CONFIG_CMD_SPI) += cmd_spi.o