Ibexpeak: add missing thermal init.

Without it ME doesn't always start correctly and no temperature is reported,
no fan management and so on.

Change-Id: Iff71f3afbc35a1453a20d182890ae2d196c556bd
Signed-off-by: Vladimir Serbinenko <phcoder@gmail.com>
Reviewed-on: http://review.coreboot.org/4636
Tested-by: build bot (Jenkins)
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Patrick Georgi <patrick@georgi-clan.de>
diff --git a/src/southbridge/intel/ibexpeak/pch.h b/src/southbridge/intel/ibexpeak/pch.h
index 356dd8a..df125f0 100644
--- a/src/southbridge/intel/ibexpeak/pch.h
+++ b/src/southbridge/intel/ibexpeak/pch.h
@@ -78,6 +78,7 @@
 int smbus_block_read(unsigned device, unsigned cmd, u8 bytes, u8 *buf);
 int smbus_block_write(unsigned device, unsigned cmd, u8 bytes, const u8 *buf);
 int early_spi_read(u32 offset, u32 size, u8 *buffer);
+void early_thermal_init(void);
 #endif
 #endif