ntoskrnl.exe: Implement ZwLoadDriver and ZwUnloadDriver based on services API.

[Sebastian Lackner]

On 22.08.2016 16:12, Sebastian Lackner wrote:
> Signed-off-by: Sebastian Lackner <sebastian at fds-team.de>
> ---
> 
> This hides the complicated services API behind some easy to use functions :)
> The timeout are a bit arbitrary and can be adjusted if they do not work well
> enough in practice. Based on Arics feedback this solution is confirmed to work
> for his purpose.
> 
>  dlls/ntoskrnl.exe/Makefile.in       |    1 
>  dlls/ntoskrnl.exe/ntoskrnl.c        |  164 ++++++++++++++++++++++++++++++++++++
>  dlls/ntoskrnl.exe/ntoskrnl.exe.spec |    4 
>  3 files changed, 167 insertions(+), 2 deletions(-)

Aric already signed off, but please ignore this patch. I am planning to send
a new version shortly. The functions should also strip off the registry prefix.