fw/board_obelix: reset hr pin

Signed-off-by: HaiLong Yang <cameled@outlook.com>

Author: cameled

src/fw/board/boards/board_obelix.c

@@ -680,6 +680,11 @@ void board_early_init(void) {
 
   __HAL_SYSCFG_CLEAR_SECURITY();
   HAL_EFUSE_Init();
+
+  // Reset HR pin, clear IE, PE
+  hwp_pinmux1->PAD_PA09 &= ~((1 << 6) | (1 << 4));
+  hwp_pinmux1->PAD_PA20 &= ~((1 << 6) | (1 << 4));
+  hwp_pinmux1->PAD_PA25 &= ~((1 << 6) | (1 << 4));
 }
 
 void board_init(void) {