Fix gpio_set_af register usage.
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@ -178,7 +178,7 @@ void gpio_set_af(u32 gpioport, u8 alt_func_num, u16 gpios)
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if (!((1 << i) & gpios))
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continue;
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afrl &= ~GPIO_AFR_MASK(i);
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afrl |= GPIO_AFR(i, alt_func_num);
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afrh |= GPIO_AFR(i, alt_func_num);
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}
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for (i = 8; i < 16; i++) {
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