Update file description

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@10196 35acf78f-673a-0410-8e92-d51de3d6d3f4

os/hal/ports/AVR/hal_ext_lld.c

@@ -17,7 +17,7 @@
 */
 
 /**
- * @file  AVR/hal_ext_lld.c
+ * @file  hal_ext_lld.c
  * @brief AVR EXT subsystem low level driver source.
  *
  * @addtogroup EXT

os/hal/ports/AVR/hal_icu_lld.c

@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    AVR/icu_lld.c
+ * @file    hal_icu_lld.c
  * @brief   AVR ICU driver subsystem low level driver source.
  *
  * @addtogroup ICU

os/hal/ports/AVR/hal_lld.c

@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    AVR/hal_lld.c
+ * @file    hal_lld.c
  * @brief   AVR HAL subsystem low level driver code.
  *
  * @addtogroup HAL

os/hal/ports/AVR/hal_pal_lld.c

@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    AVR/pal_lld.c
+ * @file    hal_pal_lld.c
  * @brief   AVR GPIO low level driver code.
  *
  * @addtogroup PAL

os/hal/ports/AVR/hal_pwm_lld.c

@@ -20,7 +20,7 @@
 */
 
 /**
- * @file    AVR/pwm_lld.c
+ * @file    hal_pwm_lld.c
  * @brief   AVR PWM driver subsystem low level driver.
  *
  * @addtogroup PWM

os/hal/ports/AVR/hal_serial_lld.c

@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    AVR/serial_lld.c
+ * @file    hal_serial_lld.c
  * @brief   AVR low level serial driver code.
  *
  * @addtogroup SERIAL

os/hal/ports/AVR/hal_spi_lld.c

@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    AVR/spi_lld.c
+ * @file    hal_spi_lld.c
  * @brief   AVR SPI subsystem low level driver source.
  *
  * @addtogroup SPI

os/hal/ports/AVR/hal_st_lld.c

@@ -15,8 +15,8 @@
 */
 
 /**
- * @file    AVR/st_lld.c
- * @brief   ST Driver subsystem low level driver code.
+ * @file    hal_st_lld.c
+ * @brief   AVR ST subsystem low level driver source.
  *
  * @addtogroup ST
  * @{

os/hal/ports/AVR/hal_usb_lld.c

@@ -15,7 +15,7 @@
 */
 
 /**
- * @file    usb_lld.c
+ * @file    hal_usb_lld.c
  * @brief   AVR USB subsystem low level driver source.
  *
  * @addtogroup USB