remove interrupt priority group setting.

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1601 bbd45198-f89e-11dd-88c7-29a3b14d5316

bsp/stm32f107/stm32_eth.c

@@ -3484,9 +3484,6 @@ static void NVIC_Configuration(void)
 {
     NVIC_InitTypeDef NVIC_InitStructure;
 
-    /* Configure one bit for preemption priority */
-    NVIC_PriorityGroupConfig(NVIC_PriorityGroup_1);
-
     /* Enable the EXTI0 Interrupt */
     NVIC_InitStructure.NVIC_IRQChannel = ETH_IRQn;
     NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;