kernelconfig: organize kernel directory as linuxkit

As the files are properly named with the kernel version, is time to
move the directory to be similar as linuxkit.

This commit moves the content from kernelconfig/4.11 to kernel
directory, and updates customosbuildinstructions document.

Signed-off-by: Miguel Bernal Marin <miguel.bernal.marin@linux.intel.com>

Author: miguelinux

docs/customosbuildinstructions.md

@@ -9,9 +9,9 @@ A LCOW custom Linux OS image was divided into two parts: a Linux kernel module a
 
 - Have your 4.11 kernel source tree ready
 
-- Apply additional [4.11 patches](../kernelconfig/4.11/patches_readme.md) to your 4.11 kernel source tree 
+- Apply additional [4.11 patches](../kernel/patches_readme.md) to your 4.11 kernel source tree
 
-- Use the recommended [Kconfig](../kernelconfig/4.11/kconfig_for_4_11/) to include all LCOW necessary kernel components
+- Use the recommended [Kconfig](../kernel/kernel_config-4.11.x) to include all LCOW necessary kernel components
 
 - Build your kernel 
 
@@ -21,7 +21,7 @@ A LCOW custom Linux OS image was divided into two parts: a Linux kernel module a
 
 ## How to construct user-mode components
 
-The expected user mode directory structure is required to constructed as follows: [See the complete user-mode file list](../kernelconfig/4.11/completeUsermodeFileLists.md/)
+The expected user mode directory structure is required to constructed as follows: [See the complete user-mode file list](../kernel/completeUsermodeFileLists.md)
 
 Under the / directory, it should have the following subdirectories:
 
@@ -46,7 +46,7 @@ Here are the expected contents of each subdirectory /file
 1. Subdirectories with **empty** contents:  /tmp /proc /dev /run /etc /usr /mnt /sys 
 
 2. **/init** 
-   This is the [init script file](../kernelconfig/4.11/scripts/init_script)
+   This is the [init script file](../kernel/scripts/init_script)
 
 3. **/root** : this is the home directory of the root account. 
 
@@ -82,7 +82,7 @@ Here are the expected contents of each subdirectory /file
 
 7. **/bin** : binaries in this subdir are categorised into four groups
 
-    - [GCS binaries](gcsbuildinstructions.md/)
+    - [GCS binaries](gcsbuildinstructions.md)
 
             /bin/exportSandbox
             /bin/gcs