ARM: highbank: convert to CONFIG_MULTI_IRQ_HANDLER

Convert the highbank platform to be using the gic_handle_irq
function as its primary interrupt handler.

Cc: Rob Herring <rob.herring@calxeda.com>
Signed-off-by: NMarc Zyngier <marc.zyngier@arm.com>

arch/arm/Kconfig

@@ -345,6 +345,7 @@ config ARCH_HIGHBANK
 	select GENERIC_CLOCKEVENTS
 	select HAVE_ARM_SCU
 	select USE_OF
+	select MULTI_IRQ_HANDLER
 	help
 	  Support for the Calxeda Highbank SoC based boards.
 

arch/arm/mach-highbank/highbank.c

@@ -140,6 +140,7 @@ DT_MACHINE_START(HIGHBANK, "Highbank")
 	.map_io		= highbank_map_io,
 	.init_irq	= highbank_init_irq,
 	.timer		= &highbank_timer,
+	.handle_irq	= gic_handle_irq,
 	.init_machine	= highbank_init,
 	.dt_compat	= highbank_match,
 MACHINE_END

arch/arm/mach-highbank/include/mach/entry-macro.S

-#include <asm/hardware/entry-macro-gic.S>
-
 	.macro	disable_fiq
 	.endm