Moved i2c driver out of cpu/mpc86xx/i2c.c into drivers/fsl_i2c.c

in an effort to begin to unify the umpteen FSL I2C drivers that
are all otherwise very similar.

Signed-off-by: Jon Loeliger <jdl@freescale.com>
diff --git a/cpu/mpc86xx/Makefile b/cpu/mpc86xx/Makefile
index ad5b36d..de5561e 100644
--- a/cpu/mpc86xx/Makefile
+++ b/cpu/mpc86xx/Makefile
@@ -30,7 +30,7 @@
 START	= start.o #resetvec.o
 SOBJS	= cache.o
 COBJS	= traps.o cpu.o cpu_init.o speed.o interrupts.o \
-	  pci.o pcie_indirect.o i2c.o spd_sdram.o
+	  pci.o pcie_indirect.o spd_sdram.o
 
 SRCS	:= $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c)
 OBJS	:= $(addprefix $(obj),$(SOBJS) $(COBJS))