dt-bindings: mfd: ab8500: Remove weird Unicode characters

There are stray Unicode quotation marks (U+201C	DOUBLE TURNED COMMA
QUOTATION MARK) in the file. Remove them, as they don't serve a purpose.
Signed-off-by: Jonathan Neuschäfer <j.neuschaefer@gmx.net>
Signed-off-by: Lee Jones <lee.jones@linaro.org>

Documentation/devicetree/bindings/mfd/ab8500.txt

@@ -31,8 +31,8 @@ ab8500-btemp		 :			: vtvout       : Battery Temperature
 			 : BAT_CTRL_INDB        :              : Battery Removal Indicator
 			 : BTEMP_LOW            :              : Btemp < BtempLow, if battery temperature is lower than -10°C
 			 : BTEMP_LOW_MEDIUM     :              : BtempLow < Btemp < BtempMedium,if battery temperature is between -10 and 0°C
-			 : BTEMP_MEDIUM_HIGH    :	       : BtempMedium < Btemp < BtempHigh,if battery temperature is between 0°C and“MaxTemp
-			 : BTEMP_HIGH           :              : Btemp > BtempHigh, if battery temperature is higher than “MaxTemp
+			 : BTEMP_MEDIUM_HIGH    :	       : BtempMedium < Btemp < BtempHigh,if battery temperature is between 0°C and MaxTemp
+			 : BTEMP_HIGH           :              : Btemp > BtempHigh, if battery temperature is higher than MaxTemp
 ab8500-charger		 :			: vddadc       : Charger interface
 			 : MAIN_CH_UNPLUG_DET	:	       : main charger unplug detection management (not in 8505)
 			 : MAIN_CHARGE_PLUG_DET	:	       : main charger plug detection management (not in 8505)