Add bd82x6x PCH functions to SMM

Add the PCH function to SMM for follow-on SMM patches that
require these functions.

Change-Id: I7f3a512c5e98446e835b59934d63a99e8af15280
Signed-off-by: Marc Jones <marc.jones@se-eng.com>
Reviewed-on: http://review.coreboot.org/2758
Tested-by: build bot (Jenkins)
Reviewed-by: Ronald G. Minnich <rminnich@gmail.com>
diff --git a/src/southbridge/intel/bd82x6x/Makefile.inc b/src/southbridge/intel/bd82x6x/Makefile.inc
index 99dd409..0b0385b 100644
--- a/src/southbridge/intel/bd82x6x/Makefile.inc
+++ b/src/southbridge/intel/bd82x6x/Makefile.inc
@@ -42,7 +42,7 @@
 smm-$(CONFIG_SPI_FLASH_SMM) += spi.c
 
 ramstage-$(CONFIG_HAVE_SMI_HANDLER) += smi.c
-smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c me.c me_8.x.c finalize.c
+smm-$(CONFIG_HAVE_SMI_HANDLER) += smihandler.c me.c me_8.x.c finalize.c pch.c
 
 romstage-y += early_usb.c early_smbus.c early_me.c me_status.c gpio.c
 romstage-$(CONFIG_USBDEBUG) += usb_debug.c