Update examples to new EXTI module layout

Author: jonas-schievink

examples/button_irq.rs

@@ -11,7 +11,7 @@ use cortex_m::interrupt::Mutex;
 use cortex_m::peripheral::NVIC;
 use cortex_m_rt::entry;
 use stm32l0xx_hal::{
-    exti::{TriggerEdge, line::{GpioLine, ExtiLine}},
+    exti::{TriggerEdge, GpioLine, ExtiLine},
     gpio::*,
     pac::{self, interrupt, Interrupt, EXTI},
     prelude::*,

examples/button_irq_rtfm.rs

@@ -7,7 +7,7 @@ extern crate panic_halt;
 
 use rtfm::app;
 use stm32l0xx_hal::{
-    exti::{TriggerEdge, EXTI, line::{GpioLine, ExtiLine}},
+    exti::{TriggerEdge, EXTI, GpioLine, ExtiLine},
     gpio::*,
     pac,
     prelude::*,

examples/exti_wakeup.rs

@@ -5,7 +5,7 @@ extern crate panic_halt;
 
 use cortex_m_rt::entry;
 use stm32l0xx_hal::{
-    exti::{self, line::{GpioLine, ExtiLine}}, pac,
+    exti::{self, GpioLine, ExtiLine}, pac,
     prelude::*,
     pwr::{self, PWR},
     rcc::Config,

examples/lptim.rs

@@ -11,9 +11,7 @@ use cortex_m::{asm, peripheral::NVIC};
 use cortex_m_rt::entry;
 use stm32l0xx_hal::{
     prelude::*,
-    exti::{
-        line::DirectLine,
-    },
+    exti::DirectLine,
     gpio::{
         Output,
         PushPull,

examples/pwr.rs

@@ -11,7 +11,7 @@ use stm32l0xx_hal::{
     prelude::*,
     exti::{
         self,
-        line::ConfigurableLine,
+        ConfigurableLine,
     },
     gpio::{
         Output,

examples/rtc_wakeup.rs

@@ -5,7 +5,7 @@ extern crate panic_halt;
 
 use cortex_m_rt::entry;
 use stm32l0xx_hal::{
-    exti::{self, line::ConfigurableLine}, pac,
+    exti::{self, ConfigurableLine}, pac,
     prelude::*,
     pwr::PWR,
     rcc,