ppc4xx: Improve fan PWM curve on DLVision 10G

Signed-off-by: NDirk Eibach <eibach@gdsys.de>
Signed-off-by: NStefan Roese <sr@denx.de>

include/configs/dlvision-10g.h

@@ -113,7 +113,8 @@
 #define CONFIG_DTT_LM63		1	/* National LM63	*/
 #define CONFIG_DTT_SENSORS	{ 0x4c, 0x4e }	/* Sensor addresses	*/
 #define CONFIG_DTT_PWM_LOOKUPTABLE	\
-		{ { 40, 10 }, { 50, 20 }, { 60, 40 } }
+		{ { 40, 10 }, { 43, 13 }, { 46, 16 },  \
+		  { 50, 20 }, { 53, 27 }, { 56, 34 }, { 60, 40 } }
 #define CONFIG_DTT_TACH_LIMIT	0xa10
 
 /* EBC peripherals */