powerpc/8xx: Move mpc8xx_pic.c from sysdev to platform/8xx

mpc8xx_pic.c is dedicated to the 8xx, so move it to platform/8xx
Signed-off-by: Christophe Leroy <christophe.leroy@c-s.fr>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>

arch/powerpc/platforms/8xx/Makefile

 #
 # Makefile for the PowerPC 8xx linux kernel.
 #
-obj-y			+= m8xx_setup.o machine_check.o
+obj-y			+= m8xx_setup.o machine_check.o pic.o
 obj-$(CONFIG_MPC885ADS)   += mpc885ads_setup.o
 obj-$(CONFIG_MPC86XADS)   += mpc86xads_setup.o
 obj-$(CONFIG_PPC_EP88XC)  += ep88xc.o

arch/powerpc/platforms/8xx/m8xx_setup.c

@@ -23,7 +23,7 @@
 #include <asm/fs_pd.h>
 #include <mm/mmu_decl.h>
 
-#include <sysdev/mpc8xx_pic.h>
+#include "pic.h"
 
 #include "mpc8xx.h"
 

arch/powerpc/sysdev/mpc8xx_pic.c → arch/powerpc/platforms/8xx/pic.c

@@ -9,7 +9,7 @@
 #include <asm/io.h>
 #include <asm/8xx_immap.h>
 
-#include "mpc8xx_pic.h"
+#include "pic.h"
 
 
 #define PIC_VEC_SPURRIOUS      15

arch/powerpc/sysdev/Makefile

@@ -45,7 +45,6 @@ obj-$(CONFIG_CPM1)		+= cpm1.o
 obj-$(CONFIG_CPM2)		+= cpm2.o cpm2_pic.o
 obj-$(CONFIG_QUICC_ENGINE)	+= cpm_common.o
 obj-$(CONFIG_PPC_DCR)		+= dcr.o
-obj-$(CONFIG_PPC_8xx)		+= mpc8xx_pic.o
 obj-$(CONFIG_UCODE_PATCH)	+= micropatch.o
 
 obj-$(CONFIG_PPC_MPC512x)	+= mpc5xxx_clocks.o