avr32: switch to 3.10

It works:
    _______                     ________        __
   |       |.-----.-----.-----.|  |  |  |.----.|  |_
   |   -   ||  _  |  -__|     ||  |  |  ||   _||   _|
   |_______||   __|_____|__|__||________||__|  |____|
            |__| W I R E L E S S   F R E E D O M
   -----------------------------------------------------
   BARRIER BREAKER (Bleeding Edge, r38163)
   -----------------------------------------------------
    * 1/2 oz Galliano         Pour all ingredients into
    * 4 oz cold Coffee        an irish coffee mug filled
    * 1 1/2 oz Dark Rum      with crushed ice. Stir.
    * 2 tsp. Creme de Cacao
   -----------------------------------------------------
  root@OpenWrt:/# uname -a
  Linux OpenWrt 3.10.12 #1 Tue Sep 24 18:47:12 CEST 2013 avr32 GNU/Linux
  root@OpenWrt:/# cat /proc/cpuinfo
  processor       : 0
  chip type       : AT32AP700x revision C
  cpu arch        : AVR32B revision 1
  cpu core        : AP7 revision 0
  cpu MHz         : 140.000
  i-cache         : 16K (4 ways x 128 sets x 32)
  d-cache         : 16K (4 ways x 128 sets x 32)
  features        : dsp simd ocd perfctr java
  bogomips        : 281.23
  root@OpenWrt:/#

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

SVN-Revision: 38174

target/linux/avr32/Makefile

@@ -12,7 +12,7 @@ BOARDNAME:=Atmel AVR32
 FEATURES:=squashfs
 MAINTAINER:=Imre Kaloz <kaloz@openwrt.org>
 
-LINUX_VERSION:=3.8.13
+LINUX_VERSION:=3.10.12
 
 include $(INCLUDE_DIR)/target.mk