parisc: change to new flag variable

Replace EXTRA_CFLAGS with ccflags-y.
Signed-off-by: matt mooney <mfm@muteddisk.com>
Signed-off-by: Kyle McMartin <kyle@redhat.com>

arch/parisc/math-emu/Makefile

@@ -3,7 +3,7 @@
 #
 
 # See arch/parisc/math-emu/README
-EXTRA_CFLAGS += -Wno-parentheses -Wno-implicit-function-declaration \
+ccflags-y := -Wno-parentheses -Wno-implicit-function-declaration \
 	-Wno-uninitialized -Wno-strict-prototypes -Wno-return-type \
 	-Wno-implicit-int