powerpc/b4qds: enable coreint

Commit 9837b43c5f3514e5d28f65f1513f4dc6759d2810 ("powerpc/85xx: enable
coreint for all the 64bit boards") removed the ifdef that avoided
coreint on 64-bit, but it missed b4_qds.c.

Signed-off-by: Scott Wood <scottwood@freescale.com>
Cc: Kevin Hao <haokexin@gmail.com>
Cc: Shaveta Leekha <shaveta@freescale.com>

arch/powerpc/platforms/85xx/b4_qds.c

@@ -79,12 +79,7 @@ define_machine(b4_qds) {
 #ifdef CONFIG_PCI
 	.pcibios_fixup_bus	= fsl_pcibios_fixup_bus,
 #endif
-/* coreint doesn't play nice with lazy EE, use legacy mpic for now */
-#ifdef CONFIG_PPC64
-	.get_irq		= mpic_get_irq,
-#else
 	.get_irq		= mpic_get_coreint_irq,
-#endif
 	.restart		= fsl_rstcr_restart,
 	.calibrate_decr		= generic_calibrate_decr,
 	.progress		= udbg_progress,