lib: st25r3911b: Correction of errors in voltage calculation

lib: st25r3911b: Correction of errors in voltage calculation
In official documentation on st25r3911 when we measure voltage,
one LSB represents 23.438 mV.
When calculating, we multiply the fractional part by a
three-digit number. When restoring, we divide it by 100, not by 1000.
This is an error.

Signed-off-by: Andrei Lashkov <[email protected]>

Author: Andrew55529

lib/st25r3911b/st25r3911b_common.c

@@ -31,7 +31,7 @@ LOG_MODULE_DECLARE(st25r3911b);
 #define POWER_SUPP_5V_STEP 120
 #define POWER_SUPP_MEAS_INTEGER 23
 #define POWER_SUPP_MEAS_FRACTION 438
-#define POWER_SUPP_MEAS_FRACTION_DIVISOR 100
+#define POWER_SUPP_MEAS_FRACTION_DIVISOR 1000
 #define REGULATOR_INIT_REG_VALUE 5
 
 #define FIELD_THRESHOLD_TRG_DEFAULT 0x30