powerpc/cpm2: Checkpatch cleanup

arch/powerpc/sysdev/cpm2_pic.h:6: ERROR: "(foo*)" should be "(foo *)"
Signed-off-by: Andrea Gelmini <andrea.gelmini@gelma.net>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/sysdev/cpm2_pic.h

@@ -3,6 +3,6 @@
 
 extern unsigned int cpm2_get_irq(void);
 
-extern void cpm2_pic_init(struct device_node*);
+extern void cpm2_pic_init(struct device_node *);
 
 #endif /* _PPC_KERNEL_CPM2_H */