irqchip: Move ARM vic.h to include/linux/irqchip/arm-vic.h

Now that we have VIC moved to drivers/irqchip and all VIC DT init for
platforms using irqchip_init, move gic.h and update the remaining
includes.

Signed-off-by: Rob Herring <rob.herring@calxeda.com>
Cc: Thomas Gleixner <tglx@linutronix.de>
Cc: Hartley Sweeten <hsweeten@visionengravers.com>
Cc: Ryan Mallon <rmallon@gmail.com>
Cc: Russell King <linux@arm.linux.org.uk>
Cc: Alessandro Rubini <rubini@unipv.it>
Acked-by: Linus Walleij <linus.walleij@linaro.org>
Cc: STEricsson <STEricsson_nomadik_linux@list.st.com>
Cc: Ben Dooks <ben-linux@fluff.org>
Cc: Kukjin Kim <kgene.kim@samsung.com>
Cc: linux-samsung-soc@vger.kernel.org

arch/arm/mach-s3c64xx/include/mach/regs-irq.h

@@ -15,6 +15,5 @@
 #ifndef __ASM_ARCH_REGS_IRQ_H
 #define __ASM_ARCH_REGS_IRQ_H __FILE__
 
-#include <asm/hardware/vic.h>
 
 #endif /* __ASM_ARCH_6400_REGS_IRQ_H */

arch/arm/mach-s3c64xx/include/mach/tick.h

@@ -15,6 +15,8 @@
 #ifndef __ASM_ARCH_TICK_H
 #define __ASM_ARCH_TICK_H __FILE__
 
+#include <linux/irqchip/arm-vic.h>
+
 /* note, the timer interrutps turn up in 2 places, the vic and then
  * the timer block. We take the VIC as the base at the moment.
  */