[target] PYRODRONEF7 - fix compiler warnings / update Timers

[nerdCopter]

• via BF's USE_TIMER_MAP_PRINT
• also fixes compiler warnings:

./src/main/target/PYRODRONEF7/target.c:38:5: warning: excess elements in array initializer
   38 |     DEF_TIM(TIM4,  CH4,  PB9, TIM_USE_MOTOR,               0, 0), // NONE  TIM4_UP_D1-ST6     MOTOR6
      |     ^
./src/main/target/PYRODRONEF7/target.c:38:5: note: (near initialization for 'timerHardware')
./src/main/target/PYRODRONEF7/target.c:39:5: warning: excess elements in array initializer
   39 |     DEF_TIM(TIM8,  CH4,  PC9, TIM_USE_MOTOR,               0, 0), // D2-ST7                   MOTOR7
      |     ^
./src/main/target/PYRODRONEF7/target.c:39:5: note: (near initialization for 'timerHardware')
./src/main/target/PYRODRONEF7/target.c:41:5: warning: excess elements in array initializer
   41 |     DEF_TIM(TIM3,  CH4, PB1, TIM_USE_MOTOR | TIM_USE_LED,  0, 0), // D1-ST2                   LED/MOTOR5
      |     ^