[POWERPC] ARCH=ppc pt_regs fixes

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/ppc/syslib/cpm2_pic.h

@@ -1,7 +1,7 @@
 #ifndef _PPC_KERNEL_CPM2_H
 #define _PPC_KERNEL_CPM2_H
 
-extern int cpm2_get_irq(struct pt_regs *regs);
+extern int cpm2_get_irq(void);
 
 extern void cpm2_init_IRQ(void);