soc/intel/broadwell/systemagent.c: Fix typo

Broadwell does not have any `TESGMB`, but it has a `TSEGMB`.

Change-Id: Id25030aa86f2312e261eceb8b78c3878e9e0ee04
Signed-off-by: Angel Pons <th3fanbus@gmail.com>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/42624
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Patrick Rudolph <siro@das-labor.org>
diff --git a/src/soc/intel/broadwell/systemagent.c b/src/soc/intel/broadwell/systemagent.c
index b75c4fe..91816be 100644
--- a/src/soc/intel/broadwell/systemagent.c
+++ b/src/soc/intel/broadwell/systemagent.c
@@ -250,7 +250,7 @@
 	[TOLUD_REG] = MAP_ENTRY_BASE_32(TOLUD, "TOLUD"),
 	[BDSM_REG] = MAP_ENTRY_BASE_32(BDSM, "BDSM"),
 	[BGSM_REG] = MAP_ENTRY_BASE_32(BGSM, "BGSM"),
-	[TSEG_REG] = MAP_ENTRY_BASE_32(TSEG, "TESGMB"),
+	[TSEG_REG] = MAP_ENTRY_BASE_32(TSEG, "TSEGMB"),
 };
 
 static void mc_read_map_entries(struct device *dev, uint64_t *values)