MIPS: MSP71xx: remove unused plat_irq_dispatch() argument

Remove unused argument to make the plat_irq_dispatch() function
declaration similar to the realization of other platforms.

Signed-off-by: Sergey Ryazanov <[email protected]>
Cc: Linux MIPS <[email protected]>
Patchwork: https://patchwork.linux-mips.org/patch/7538/
Signed-off-by: Ralf Baechle <[email protected]>

arch/mips/pmcs-msp71xx/msp_irq.c

@@ -51,7 +51,7 @@ static inline void sec_int_dispatch(void)  { do_IRQ(MSP_INT_SEC);  }
  * the range 40-71.
  */
 
-asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
+asmlinkage void plat_irq_dispatch(void)
 {
 	u32 pending;