[U-Boot] [U-Boot, v4, 05/16] sandbox: Add a setjmp() implementation

[Alexander Graf]

> Add an implementation of setjmp() and longjmp() which rely on the
> underlying host C library. Since we cannot know how large the jump buffer
> needs to be, pick something that should be suitable and check it at
> runtime. At present we need access to the underlying struct as well.
> 
> Signed-off-by: Simon Glass <sjg at chromium.org>

Thanks, applied to efi-next

Alex