[PATCH] stm32f4xx_syscfg: remove redundant code to fix coverity warning

[pannengyuan]

From: Pan Nengyuan <pannengy...@huawei.com>

Fixes the coverity warning:
    CID 91708242: (EVALUATION_ORDER)
    50. write_write_typo: In "config = config = irq / 16", "config" is written 
twice with the same value.
    50    uint8_t config = config = irq / 16;

Reported-by: Euler Robot <euler.ro...@huawei.com>
Signed-off-by: Pan Nengyuan <pannengy...@huawei.com>
---
 hw/misc/stm32f4xx_syscfg.c | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/hw/misc/stm32f4xx_syscfg.c b/hw/misc/stm32f4xx_syscfg.c
index dbcdca59f8..f960e4ea1e 100644
--- a/hw/misc/stm32f4xx_syscfg.c
+++ b/hw/misc/stm32f4xx_syscfg.c
@@ -47,7 +47,7 @@ static void stm32f4xx_syscfg_set_irq(void *opaque, int irq, 
int level)
     STM32F4xxSyscfgState *s = opaque;
     int icrreg = irq / 4;
     int startbit = (irq & 3) * 4;
-    uint8_t config = config = irq / 16;
+    uint8_t config = irq / 16;
 
     trace_stm32f4xx_syscfg_set_irq(irq / 16, irq % 16, level);
 
-- 
2.21.0.windows.1