stm32: dts: st: f1: fix pinmux to use TIM3_REMAP2 #309
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The previous configuration used TIM3_REMAP1 for mapping TIM3_CH2 to PB5,
which is not supported according to the STM32F103 reference manual.
This commit updates the pinmux to use TIM3_REMAP2, enabling proper PWM output on PB5.
fixes: #94213
bug created to fix xml file: STMicroelectronics/STM32_open_pin_data#14