irq_cpustat_t is exactly the same as the asm-generic one. Define
ack_bad_irq so the generic header does not emit the generic version of 
it.

Signed-off-by: Thomas Gleixner <redacted>
Cc: Catalin Marinas <catalin.marinas@arm.com>
Cc: Will Deacon <will@kernel.org>
Cc: Marc Zyngier <maz@kernel.org>
Cc: linux-arm-kernel@lists.infradead.org
---
 arch/arm64/include/asm/hardirq.h |    7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

--- a/arch/arm64/include/asm/hardirq.h
+++ b/arch/arm64/include/asm/hardirq.h

@@ -13,11 +13,8 @@
 #include <asm/kvm_arm.h>
 #include <asm/sysreg.h>

-typedef struct {
-	unsigned int __softirq_pending;
-} ____cacheline_aligned irq_cpustat_t;
-
-#include <linux/irq_cpustat.h>	/* Standard mappings for irq_cpustat_t 

above */
+#define ack_bad_irq ack_bad_irq
+#include <asm-generic/hardirq.h>

 #define __ARCH_IRQ_EXIT_IRQS_DISABLED	1