genirq: Remove irq argument from report_bad_irq()

Not really a hotpath, so __report_bad_irq() can retrieve the irq
number from the irq descriptor.

[ tglx: Split out from combo patch ]

Signed-off-by: Jiang Liu <jiang.liu@linux.intel.com>
Signed-off-by: Thomas Gleixner <tglx@linutronix.de>