drivers: add the support for Freescale SATA controller

Add the Freescale on-chip SATA controller driver to u-boot,
The SATA controller is used on the 837x and 8315 targets,
The driver can be used to load kernel, fs and dtb.

The features list:
- 1.5/3 Gbps link speed
- LBA48, LBA28 support
- DMA and FPDMA support
- Two ports support

Signed-off-by: Dave Liu <daveliu@freescale.com>
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index d63ca2d..dca3547 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -27,6 +27,7 @@
 
 COBJS-y += ahci.o
 COBJS-y += ata_piix.o
+COBJS-$(CONFIG_FSL_SATA) += fsl_sata.o
 COBJS-$(CONFIG_LIBATA) += libata.o
 COBJS-y += sil680.o
 COBJS-y += sym53c8xx.o