powerpc/85xx: Create a SERDES section in Makefile

Created a section in the Makefile for SoC specific SERDES code.  Also
added P1013 SERDES (use P1022 SERDES code).

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>
diff --git a/arch/powerpc/cpu/mpc85xx/Makefile b/arch/powerpc/cpu/mpc85xx/Makefile
index 63d7923..e14ed01 100644
--- a/arch/powerpc/cpu/mpc85xx/Makefile
+++ b/arch/powerpc/cpu/mpc85xx/Makefile
@@ -66,8 +66,6 @@
 COBJS-$(CONFIG_OF_LIBFDT) += fdt.o
 COBJS-$(CONFIG_FSL_CORENET) += liodn.o
 COBJS-$(CONFIG_MP)	+= mp.o
-COBJS-$(CONFIG_MPC8536) += mpc8536_serdes.o
-COBJS-$(CONFIG_P1022)	+= p1022_serdes.o
 COBJS-$(CONFIG_PCI)	+= pci.o
 COBJS-$(CONFIG_FSL_CORENET) += portals.o
 
@@ -77,6 +75,11 @@
 COBJS-$(CONFIG_QE)	+= qe_io.o
 COBJS-$(CONFIG_CPM2)	+= serial_scc.o
 COBJS-$(CONFIG_FSL_CORENET) += fsl_corenet_serdes.o
+
+# SoC specific SERDES support
+COBJS-$(CONFIG_MPC8536) += mpc8536_serdes.o
+COBJS-$(CONFIG_P1013)	+= p1013_serdes.o
+COBJS-$(CONFIG_P1022)	+= p1022_serdes.o
 COBJS-$(CONFIG_PPC_P4080) += p4080_serdes.o
 
 COBJS	= $(COBJS-y)