powerpc/irq: drop arch_early_irq_init()

[Michael Ellerman]

On Tue, 2019-01-08 at 11:37:19 UTC, Christophe Leroy wrote:
> arch_early_irq_init() does nothing different than
> the weak arch_early_irq_init() in kernel/softirq.c
> 
> Fixes: 089fb442f301 ("powerpc: Use ARCH_IRQ_INIT_FLAGS")
> Cc: Thomas Gleixner <tglx at linutronix.de>
> Signed-off-by: Christophe Leroy <christophe.leroy at c-s.fr>
> Acked-by: Thomas Gleixner <tglx at linutronix.de>

Applied to powerpc next, thanks.

https://git.kernel.org/powerpc/c/607ea5090b3fb61fea1d0bc5278e6c1d

cheers