ARM: s3c24xx: move irqchip driver back into platform

It was a good idea to move it out at first, but the irqchip code
is still tightly connected to the s3c24xx platform code and uses
multiple internal header files, so just move it back for the
time being to avoid those dependencies.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Acked-by: Marc Zyngier <maz@kernel.org>
Link: https://lore.kernel.org/r/20200806182059.2431-21-krzk@kernel.orgSigned-off-by: Krzysztof Kozlowski <krzk@kernel.org>

arch/arm/mach-s3c24xx/Makefile

@@ -8,6 +8,7 @@
 # core
 
 obj-y				+= common.o
+obj-y				+= irq-s3c24xx.o
 
 obj-$(CONFIG_CPU_S3C2410)	+= s3c2410.o
 obj-$(CONFIG_S3C2410_PLL)	+= pll-s3c2410.o

drivers/irqchip/Makefile

@@ -16,7 +16,6 @@ obj-$(CONFIG_ARCH_LPC32XX)		+= irq-lpc32xx.o
 obj-$(CONFIG_ARCH_MMP)			+= irq-mmp.o
 obj-$(CONFIG_IRQ_MXS)			+= irq-mxs.o
 obj-$(CONFIG_ARCH_TEGRA)		+= irq-tegra.o
-obj-$(CONFIG_ARCH_S3C24XX)		+= irq-s3c24xx.o
 obj-$(CONFIG_DW_APB_ICTL)		+= irq-dw-apb-ictl.o
 obj-$(CONFIG_CLPS711X_IRQCHIP)		+= irq-clps711x.o
 obj-$(CONFIG_OMPIC)			+= irq-ompic.o