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/aacraid/Makefile b/drivers/scsi/aacraid/Makefile
index f1cca4e..92df4d6 100644
--- a/drivers/scsi/aacraid/Makefile
+++ b/drivers/scsi/aacraid/Makefile
@@ -5,4 +5,4 @@
 aacraid-objs	:= linit.o aachba.o commctrl.o comminit.o commsup.o \
 		   dpcsup.o rx.o sa.o rkt.o nark.o
 
-EXTRA_CFLAGS	:= -Idrivers/scsi
+ccflags-y	:= -Idrivers/scsi