sb/intel/bd82x6x/finalize: Use register name

Use register name instead of hex values.

No functional change.

Change-Id: I08fc8435f29ab87a0534946b0e0c43231919785d
Signed-off-by: Patrick Rudolph <siro@das-labor.org>
Reviewed-on: https://review.coreboot.org/19545
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Arthur Heymans <arthur@aheymans.xyz>
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Reviewed-by: Sumeet R Pawnikar <sumeet.r.pawnikar@intel.com>
diff --git a/src/southbridge/intel/bd82x6x/pch.h b/src/southbridge/intel/bd82x6x/pch.h
index 8b22fca..da1f901 100644
--- a/src/southbridge/intel/bd82x6x/pch.h
+++ b/src/southbridge/intel/bd82x6x/pch.h
@@ -140,6 +140,7 @@
 #define GEN_PMCON_1		0xa0
 #define GEN_PMCON_2		0xa2
 #define GEN_PMCON_3		0xa4
+#define GEN_PMCON_LOCK		0xa6
 #define ETR3			0xac
 #define  ETR3_CWORWRE		(1 << 18)
 #define  ETR3_CF9GR		(1 << 20)