linux: bump default to kernel version 3.4.8

Signed-off-by: Gustavo Zacarias <gustavo@zacarias.com.ar>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>

linux/Config.in

@@ -22,7 +22,7 @@ choice
 	default BR2_LINUX_KERNEL_3_4
 
 config BR2_LINUX_KERNEL_3_4
-	bool "3.4.7"
+	bool "3.4.8"
 
 config BR2_LINUX_KERNEL_SAME_AS_HEADERS
 	bool "Same as toolchain kernel headers"
@@ -77,7 +77,7 @@ config BR2_LINUX_KERNEL_CUSTOM_GIT_VERSION
 
 config BR2_LINUX_KERNEL_VERSION
 	string
-	default "3.4.7" if BR2_LINUX_KERNEL_3_4
+	default "3.4.8" if BR2_LINUX_KERNEL_3_4
 	default BR2_DEFAULT_KERNEL_HEADERS if BR2_LINUX_KERNEL_SAME_AS_HEADERS
 	default BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE if BR2_LINUX_KERNEL_CUSTOM_VERSION
 	default "custom" if BR2_LINUX_KERNEL_CUSTOM_TARBALL