docs/psoc6/quickref: Remove support for invert functionality.

Signed-off-by: NikhitaR-IFX <Nikhita.Rajasekhar@infineon.com>

docs/psoc6/quickref.rst

@@ -451,16 +451,16 @@ The constructor can be called by passing the required arguments. All initializat
 
 ::  
 
-    pwm = PWM('P9_0', freq=50, duty_u16=8192, invert=0) # PWM is initialised for the given pin with respective frequency & duty cycle.
-    pwm1 = PWM('P9_1', freq=50, duty_ns=1000, invert=1)  # PWM is initialised for the given pin with respective frequency & pulse width & inverts the output.
+    pwm = PWM('P9_0', freq=50, duty_u16=8192) # PWM is initialised for the given pin with respective frequency & duty cycle given as raw value.
+    pwm1 = PWM('P9_1', freq=50, duty_ns=1000)  # PWM is initialised for the given pin with respective frequency & duty cycle given in nanoseconds.
 
     All four arguments has to be passed manadatorily to create PWM object. duty_u16 or duty_ns should be specified at a time.  
 
 ::
 
     from machine import PWM
 
-    pwm = PWM('P9_0', freq=50, duty_u16=8192, invert=0) 
+    pwm = PWM('P9_0', freq=50, duty_u16=8192) 
     print(pwm)                                # view PWM settings
 
     pwm.freq()                                # get current frequency
@@ -472,9 +472,13 @@ The constructor can be called by passing the required arguments. All initializat
     pwm.duty_ns()                             # get current pulse width in ns
     pwm.duty_ns(1000)                         # set the current pulse width in ns from 0 to 1000000000/freq
 
-    pwm.init(freq=90,duty_us=100,invert=1)    # Modify the settings of PWM object
+    pwm.init(freq=90,duty_us=100)             # Modify the settings of PWM object
     pwm.deinit()                              # Deinitialisation of PWM pin
 
+
+.. note::
+    invert functionality is not enabled in this port.
+
 Software SPI bus
 ----------------