m68k: Remove unused PCI code

The only mcf5445x platform does not enable PCI, drop this code.

Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/arch/m68k/cpu/mcf5445x/Makefile b/arch/m68k/cpu/mcf5445x/Makefile
index ba90fc3..6a38c48 100644
--- a/arch/m68k/cpu/mcf5445x/Makefile
+++ b/arch/m68k/cpu/mcf5445x/Makefile
@@ -6,4 +6,4 @@
 # ccflags-y += -DET_DEBUG
 
 extra-y	= start.o
-obj-y	= cpu.o speed.o cpu_init.o interrupts.o pci.o dspi.o
+obj-y	= cpu.o speed.o cpu_init.o interrupts.o dspi.o