tests: Added test pwm frequencies array.

Signed-off-by: MDin <Dinesh.M-EE@infineon.com>

Author: dineshgit411

tests/test_config.h

@@ -59,6 +59,7 @@ static const float test_pwm_frequencies[] = {1, 50, 5000, 20000};
         #define TEST_PIN_ANALOG_IO_GND A0     // Pin connected to Ground
         #define TEST_ADC_MAX_VALUE 1023
         #define TEST_ADC_RESOLUTION 10 // ADC resolution
+static const float test_pwm_frequencies[] = {1, 50, 5000, 50000};
     #elif defined(KIT_XMC14_2GO)
         #define PWM_FREQUENCY_HZ 490          // PWM Frequency in Hz
         #define TEST_PIN_ANALOG_IO_VREF A0    // Pin connected to Vdd