ide: reorder object files alphabetically

Signed-off-by: Albert Aribaud <albert.aribaud@free.fr>
diff --git a/drivers/block/Makefile b/drivers/block/Makefile
index 3f6ad5c..3bab1e4 100644
--- a/drivers/block/Makefile
+++ b/drivers/block/Makefile
@@ -25,15 +25,15 @@
 
 LIB	:= $(obj)libblock.a
 
+COBJS-$(CONFIG_SCSI_AHCI) += ahci.o
 COBJS-$(CONFIG_ATA_PIIX) += ata_piix.o
-COBJS-$(CONFIG_CMD_MG_DISK) += mg_disk.o
 COBJS-$(CONFIG_FSL_SATA) += fsl_sata.o
-COBJS-$(CONFIG_IDE_SIL680) += sil680.o
 COBJS-$(CONFIG_LIBATA) += libata.o
+COBJS-$(CONFIG_CMD_MG_DISK) += mg_disk.o
 COBJS-$(CONFIG_PATA_BFIN) += pata_bfin.o
 COBJS-$(CONFIG_SATA_DWC) += sata_dwc.o
 COBJS-$(CONFIG_SATA_SIL3114) += sata_sil3114.o
-COBJS-$(CONFIG_SCSI_AHCI) += ahci.o
+COBJS-$(CONFIG_IDE_SIL680) += sil680.o
 COBJS-$(CONFIG_SCSI_SYM53C8XX) += sym53c8xx.o
 COBJS-$(CONFIG_SYSTEMACE) += systemace.o