atheros: refresh config-3.10

Refresh 3.10 kernel configuration, particulary correct AR2315_WDT symbol
position.

Signed-off-by: Sergey Ryazanov <ryazanov.s.a@gmail.com>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@41994 3c298f89-4303-0410-b956-a3cf2f4a3e73

target/linux/atheros/config-3.10

 CONFIG_ADM6996_PHY=y
+CONFIG_AR2315_WDT=y
 CONFIG_AR8216_PHY=y
 CONFIG_ARCH_BINFMT_ELF_RANDOMIZE_PIE=y
 CONFIG_ARCH_DISCARD_MEMBLOCK=y
@@ -12,7 +13,6 @@ CONFIG_ATHEROS_AR2315=y
 CONFIG_ATHEROS_AR2315_PCI=y
 CONFIG_ATHEROS_AR231X=y
 CONFIG_ATHEROS_AR5312=y
-CONFIG_AR2315_WDT=y
 CONFIG_CC_OPTIMIZE_FOR_SIZE=y
 CONFIG_CEVT_R4K=y
 CONFIG_CLONE_BACKWARDS=y