bcma: remove two unused variables

drivers/bcma/driver_mips.c:70:18: warning:
 ipsflag_irq_shift defined but not used [-Wunused-const-variable=]
drivers/bcma/driver_mips.c:62:18: warning:
 ipsflag_irq_mask defined but not used [-Wunused-const-variable=]

They are never used, so can be removed.
Reported-by: Hulk Robot <hulkci@huawei.com>
Signed-off-by: YueHaibing <yuehaibing@huawei.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>

drivers/bcma/driver_mips.c

@@ -59,22 +59,6 @@ static inline void mips_write32(struct bcma_drv_mips *mcore,
 	bcma_write32(mcore->core, offset, value);
 }
 
-static const u32 ipsflag_irq_mask[] = {
-	0,
-	BCMA_MIPS_IPSFLAG_IRQ1,
-	BCMA_MIPS_IPSFLAG_IRQ2,
-	BCMA_MIPS_IPSFLAG_IRQ3,
-	BCMA_MIPS_IPSFLAG_IRQ4,
-};
-
-static const u32 ipsflag_irq_shift[] = {
-	0,
-	BCMA_MIPS_IPSFLAG_IRQ1_SHIFT,
-	BCMA_MIPS_IPSFLAG_IRQ2_SHIFT,
-	BCMA_MIPS_IPSFLAG_IRQ3_SHIFT,
-	BCMA_MIPS_IPSFLAG_IRQ4_SHIFT,
-};
-
 static u32 bcma_core_mips_irqflag(struct bcma_device *dev)
 {
 	u32 flag;