Staging: rtl8192u: 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/rtl8192u/Makefile

 NIC_SELECT = RTL8192U
 
-EXTRA_CFLAGS += -std=gnu89
-EXTRA_CFLAGS += -O2
+ccflags-y := -std=gnu89
+ccflags-y += -O2
 
-EXTRA_CFLAGS += -DCONFIG_FORCE_HARD_FLOAT=y
-EXTRA_CFLAGS += -DJACKSON_NEW_8187 -DJACKSON_NEW_RX
-EXTRA_CFLAGS += -DTHOMAS_BEACON -DTHOMAS_TASKLET -DTHOMAS_SKB -DTHOMAS_TURBO
-#EXTRA_CFLAGS += -DUSB_TX_DRIVER_AGGREGATION_ENABLE
-#EXTRA_CFLAGS += -DUSB_RX_AGGREGATION_SUPPORT
-EXTRA_CFLAGS += -DUSE_ONE_PIPE
-EXTRA_CFLAGS += -DENABLE_DOT11D
-EXTRA_CFLAGS += -Idrivers/staging/rtl8192u/ieee80211
+ccflags-y += -DCONFIG_FORCE_HARD_FLOAT=y
+ccflags-y += -DJACKSON_NEW_8187 -DJACKSON_NEW_RX
+ccflags-y += -DTHOMAS_BEACON -DTHOMAS_TASKLET -DTHOMAS_SKB -DTHOMAS_TURBO
+#ccflags-y += -DUSB_TX_DRIVER_AGGREGATION_ENABLE
+#ccflags-y += -DUSB_RX_AGGREGATION_SUPPORT
+ccflags-y += -DUSE_ONE_PIPE
+ccflags-y += -DENABLE_DOT11D
+ccflags-y += -Idrivers/staging/rtl8192u/ieee80211
 
 r8192u_usb-objs := r8192U_core.o r8180_93cx6.o r8192U_wx.o		\
 		  r8190_rtl8256.o r819xU_phy.o r819xU_firmware.o	\