charlown c6c8201bd4
[gd32/arm/libraries]: correct pin number in drv_gpio.c; fix compile error if use rtc in gd32 f1~f4 (#6172)
* [gd32/libraries]: fix compile error in rtc: "pmu_backup_write_enable" was not found.

* [gd32/arm/libraries/gd32_drivers/drv_gpio.c] correct gpio number.
2022-07-25 10:18:15 +08:00
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