ARM: amba: make use of -1 IRQs warn
Make the core warn about the use of -1 (NO_IRQ)
Signed-off-by: 
Russell King <rmk+kernel@arm.linux.org.uk>
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Make the core warn about the use of -1 (NO_IRQ)
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>