[POWERPC] Move MPC52xx PIC driver into arch/powerpc/platforms/52xx

No other chips use this device, it belongs in a 52xx-specific path.
Signed-off-by: Grant Likely <grant.likely@secretlab.ca>
Signed-off-by: Sylvain Munaut <tnt@246tNt.com>
Signed-off-by: Paul Mackerras <paulus@samba.org>

arch/powerpc/platforms/52xx/Makefile

+#
+# Makefile for 52xx based boards
+#
+ifeq ($(CONFIG_PPC_MERGE),y)
+obj-y				+= mpc52xx_pic.o
+endif

arch/powerpc/platforms/Makefile

@@ -8,6 +8,7 @@ endif
 obj-$(CONFIG_PPC_EFIKA)		+= efika/
 obj-$(CONFIG_PPC_CHRP)		+= chrp/
 obj-$(CONFIG_4xx)		+= 4xx/
+obj-$(CONFIG_PPC_MPC52xx)	+= 52xx/
 obj-$(CONFIG_PPC_83xx)		+= 83xx/
 obj-$(CONFIG_PPC_85xx)		+= 85xx/
 obj-$(CONFIG_PPC_86xx)		+= 86xx/

arch/powerpc/sysdev/Makefile

@@ -16,7 +16,6 @@ obj-$(CONFIG_MTD)		+= rom.o
 ifeq ($(CONFIG_PPC_MERGE),y)
 obj-$(CONFIG_PPC_I8259)		+= i8259.o
 obj-$(CONFIG_PPC_83xx)		+= ipic.o
-obj-$(CONFIG_PPC_MPC52xx)	+= mpc52xx_pic.o
 endif
 
 # Temporary hack until we have migrated to asm-powerpc