Staging: cxt1e1: Makefile: cleaned up Makefile cflag lines

Changed to use the proper ccflags-y option
Signed-off-by: NTracey Dent <tdent48227@gmail.com>
Acked-by: NSam Ravnborg <sam@ravnborg.org>
Signed-off-by: NGreg Kroah-Hartman <gregkh@suse.de>

drivers/staging/cxt1e1/Makefile

 obj-$(CONFIG_CXT1E1)	+= cxt1e1.o
 
-EXTRA_CFLAGS += -DSBE_PMCC4_ENABLE
-EXTRA_CFLAGS += -DSBE_ISR_TASKLET
-EXTRA_CFLAGS += -DSBE_INCLUDE_SYMBOLS
+ccflags-y := -DSBE_PMCC4_ENABLE
+ccflags-y += -DSBE_ISR_TASKLET
+ccflags-y += -DSBE_INCLUDE_SYMBOLS
 
 cxt1e1-objs += 	\
   ossiRelease.o 	\