linux: bump default to version 4.13

Signed-off-by: Fabio Estevam <festevam@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/Config.in

@@ -26,7 +26,7 @@ choice
 	prompt "Kernel version"
 
 config BR2_LINUX_KERNEL_LATEST_VERSION
-	bool "Latest version (4.12.10)"
+	bool "Latest version (4.13)"
 
 config BR2_LINUX_KERNEL_LATEST_CIP_VERSION
 	bool "Latest CIP SLTS version (v4.4.83-cip8)"
@@ -116,7 +116,7 @@ endif
 
 config BR2_LINUX_KERNEL_VERSION
 	string
-	default "4.12.10" if BR2_LINUX_KERNEL_LATEST_VERSION
+	default "4.13" if BR2_LINUX_KERNEL_LATEST_VERSION
 	default "v4.4.83-cip8" if BR2_LINUX_KERNEL_LATEST_CIP_VERSION
 	default BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE \
 		if BR2_LINUX_KERNEL_CUSTOM_VERSION