linux: default to kernel 5.1.x

To match the default kernel headers we use.

[Peter: drop 5.1.x bump, tweak commit message]
Signed-off-by: James Hilliard <james.hilliard1@gmail.com>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

linux/Config.in

@@ -31,7 +31,7 @@ choice
 	prompt "Kernel version"
 
 config BR2_LINUX_KERNEL_LATEST_VERSION
-	bool "Latest version (5.0)"
+	bool "Latest version (5.1)"
 
 config BR2_LINUX_KERNEL_LATEST_CIP_VERSION
 	bool "Latest CIP SLTS version (v4.19.13-cip1)"
@@ -121,7 +121,7 @@ endif
 
 config BR2_LINUX_KERNEL_VERSION
 	string
-	default "5.0.17" if BR2_LINUX_KERNEL_LATEST_VERSION
+	default "5.1.3" if BR2_LINUX_KERNEL_LATEST_VERSION
 	default "v4.19.13-cip1" if BR2_LINUX_KERNEL_LATEST_CIP_VERSION
 	default BR2_LINUX_KERNEL_CUSTOM_VERSION_VALUE \
 		if BR2_LINUX_KERNEL_CUSTOM_VERSION