drivers: Fix spelling

Change-Id: Ib0d98e3ab5b2943c36f88765587e8963a4f49604
Signed-off-by: Martin Roth <martin.roth@se-eng.com>
Reviewed-on: http://review.coreboot.org/3754
Reviewed-by: Paul Menzel <paulepanter@users.sourceforge.net>
Tested-by: build bot (Jenkins)
Reviewed-by: Stefan Reinauer <stefan.reinauer@coreboot.org>
diff --git a/src/drivers/i2c/w83795/w83795.h b/src/drivers/i2c/w83795/w83795.h
index f8d51647..e18cd28 100644
--- a/src/drivers/i2c/w83795/w83795.h
+++ b/src/drivers/i2c/w83795/w83795.h
@@ -38,9 +38,9 @@
 #define DTS_SRC_AMD_SBTSI		(1 << 0)
 
 #define W83795_REG_TSS(n)		(0x209 + (n)) /* Temperature Source Selection Register */
-#define W83795_REG_TTTI(n)		(0x260 + (n)) /* tarrget temperature W83795G/ADG will try to tune the fan output to keep */
+#define W83795_REG_TTTI(n)		(0x260 + (n)) /* Target temperature W83795G/ADG will try to tune the fan output to keep */
 #define W83795_REG_CTFS(n)		(0x268 + (n)) /* Critical Temperature to Full Speed all fan */
-#define W83795_REG_HT(n)		(0x270 + (n)) /* Hystersis of Temperature */
+#define W83795_REG_HT(n)		(0x270 + (n)) /* Hysteresis of Temperature */
 #define W83795_REG_DTSC			0x301 /* Digital Temperature Sensor Configuration */
 
 #define W83795_REG_DTSE			0x302 /* Digital Temperature Sensor Enable */