scsi: change to new flag variable

Replace EXTRA_CFLAGS with ccflags-y.

Signed-off-by: matt mooney <mfm@muteddisk.com>
Acked-by: WANG Cong <xiyou.wangcong@gmail.com>
Signed-off-by: Michal Marek <mmarek@suse.cz>
diff --git a/drivers/scsi/libsas/Makefile b/drivers/scsi/libsas/Makefile
index 1ad1323..ae48b52 100644
--- a/drivers/scsi/libsas/Makefile
+++ b/drivers/scsi/libsas/Makefile
@@ -36,4 +36,4 @@
 		sas_scsi_host.o \
 		sas_task.o
 libsas-$(CONFIG_SCSI_SAS_ATA) +=	sas_ata.o
-libsas-$(CONFIG_SCSI_SAS_HOST_SMP) +=	sas_host_smp.o
\ No newline at end of file
+libsas-$(CONFIG_SCSI_SAS_HOST_SMP) +=	sas_host_smp.o