sandy/ivybridge: Native raminit.

Based on damo22's work and my X230 tracing.

Works for my X230 in a variety of RAM configs.

Also-By: Damien Zammit <damien@zamaudio.com>
Change-Id: I1aa024c55a8416fc53b25e7123037df0e55a2769
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Signed-off-by: Damien Zammit <damien@zamaudio.com>
Reviewed-on: http://review.coreboot.org/5786
Tested-by: build bot (Jenkins)
Reviewed-by: Edward O'Callaghan <eocallaghan@alterapraxis.com>
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 90de855..83128e2 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -74,6 +74,8 @@
 void enable_usb_bar(void);
 int smbus_read_byte(unsigned device, unsigned address);
 int early_spi_read(u32 offset, u32 size, u8 *buffer);
+void early_thermal_init(void);
+void early_pch_init_native(void);
 #endif
 #endif