simplefoc#451 change DriverType "Unknown" to "UnknownDriver"

Author: runger1101001

src/common/base_classes/CurrentSense.h

@@ -34,7 +34,7 @@ class CurrentSense{
     FOCDriver* driver = nullptr; //!< driver link
     bool initialized = false; // true if current sense was successfully initialized   
     void* params = 0; //!< pointer to hardware specific parameters of current sensing
-    DriverType driver_type = DriverType::Unknown; //!< driver type (BLDC or Stepper)
+    DriverType driver_type = DriverType::UnknownDriver; //!< driver type (BLDC or Stepper)
 
 
     // ADC measurement gain for each phase

src/common/base_classes/FOCDriver.h

@@ -13,7 +13,7 @@ enum PhaseState : uint8_t {
 
 
 enum DriverType{
-    Unknown=0,
+    UnknownDriver=0,
     BLDC=1,
     Stepper=2
 };