common: spl: Add spl sata boot support

Add spl_sata to read a fat partition from a bootable SATA
drive.

Signed-off-by: Dan Murphy <dmurphy@ti.com>
Reviewed-by: Roger Quadros <rogerq@ti.com>
diff --git a/common/Makefile b/common/Makefile
index a83246e..2fe14cc 100644
--- a/common/Makefile
+++ b/common/Makefile
@@ -202,6 +202,9 @@
 obj-$(CONFIG_SPL_USB_SUPPORT) += usb.o usb_hub.o
 obj-$(CONFIG_USB_STORAGE) += usb_storage.o
 endif
+ifdef CONFIG_SPL_SATA_SUPPORT
+obj-$(CONFIG_CMD_SCSI) += cmd_scsi.o
+endif
 ifneq ($(CONFIG_SPL_NET_SUPPORT),y)
 obj-$(CONFIG_ENV_IS_NOWHERE) += env_nowhere.o
 obj-$(CONFIG_ENV_IS_IN_MMC) += env_mmc.o