[ARM] Add arch/arm/common

Certain support files are shared between various ARM machine classes.
In other to sanely support these, we place the shared files in
arch/arm/common instead of the individual machine class directories.

arch/arm/Makefile

@@ -124,10 +124,10 @@ FASTFPE_OBJ	:=$(FASTFPE)/
 endif
 
 # If we have a machine-specific directory, then include it in the build.
+core-y				+= arch/arm/kernel/ arch/arm/mm/ arch/arm/common/
 ifneq ($(MACHINE),)
 core-y				+= arch/arm/mach-$(MACHINE)/
 endif
-core-y				+= arch/arm/kernel/ arch/arm/mm/
 core-$(CONFIG_FPE_NWFPE)	+= arch/arm/nwfpe/
 core-$(CONFIG_FPE_FASTFPE)	+= $(FASTFPE_OBJ)
 

arch/arm/common/Makefile

+#
+# Makefile for the linux kernel.
+#
+
+export-objs := sa1111.o sa1111-pcibuf.o sa1111-pcipool.o
+
+obj-$(CONFIG_SA1111)	+= sa1111.o sa1111-pcibuf.o sa1111-pcipool.o
+
+obj-$(CONFIG_PCI_HOST_PLX90X0)	+= plx90x0.o
+obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o

arch/arm/kernel/Makefile

@@ -26,8 +26,6 @@ obj-$(CONFIG_MODULES)		+= armksyms.o module.o
 obj-$(CONFIG_ARTHUR)		+= arthur.o
 obj-$(CONFIG_ISA_DMA)		+= dma-isa.o
 obj-$(CONFIG_PCI)		+= bios32.o
-obj-$(CONFIG_PCI_HOST_PLX90X0)	+= plx90x0.o
-obj-$(CONFIG_PCI_HOST_VIA82C505) += via82c505.o
 
 ifneq ($(MACHINE),ebsa110)
   obj-y		+= io.o

arch/arm/mach-sa1100/Makefile

@@ -9,7 +9,7 @@ obj-n :=
 obj-  :=
 led-y := leds.o
 
-export-objs := dma.o generic.o pcipool.o pm.o sa1111.o sa1111-pcibuf.o
+export-objs := dma.o generic.o pm.o
 
 # This needs to be cleaned up.  We probably need to have SA1100
 # and SA1110 config symbols.
@@ -21,9 +21,6 @@ obj-$(CONFIG_SA1100_LART)		+= cpu-sa1100.o
 obj-$(CONFIG_SA1100_PT_SYSTEM3)		+= cpu-sa1110.o
 endif
 
-# Next, the SA1111 stuff.
-obj-$(CONFIG_SA1111)			+= sa1111.o sa1111-pcibuf.o pcipool.o
-
 # Specific board support
 obj-$(CONFIG_SA1100_ADSBITSY)		+= adsbitsy.o
 led-$(CONFIG_SA1100_ADSBITSY)		+= leds-adsbitsy.o