rtl8xxxu: Set correct bit to reset MCU IO wrapper

All chips, except for 8812 require BIT(0) for resetting the MCU IO
wrapper. 8723b requires a more complicated reset sequence, so it will
need a custom reset function.

Signed-off-by: Jes Sorensen <Jes.Sorensen@redhat.com>
Signed-off-by: Kalle Valo <kvalo@codeaurora.org>
diff --git a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
index c8ba698..460145c 100644
--- a/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
+++ b/drivers/net/wireless/realtek/rtl8xxxu/rtl8xxxu.c
@@ -2052,13 +2052,13 @@
 	u16 sys_func;
 
 	val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
-	val8 &= ~BIT(3);
+	val8 &= ~BIT(0);
 	rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
 	sys_func = rtl8xxxu_read16(priv, REG_SYS_FUNC);
 	sys_func &= ~SYS_FUNC_CPU_ENABLE;
 	rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);
 	val8 = rtl8xxxu_read8(priv, REG_RSV_CTRL + 1);
-	val8 |= BIT(3);
+	val8 |= BIT(0);
 	rtl8xxxu_write8(priv, REG_RSV_CTRL + 1, val8);
 	sys_func |= SYS_FUNC_CPU_ENABLE;
 	rtl8xxxu_write16(priv, REG_SYS_FUNC, sys_func);