[U-Boot] [U-Boot, v4, 16/21] elf: Move x86 reloc defines to common elf.h

[Alexander Graf]

> We need to know about x86 relocation definitions even in cases where
> we don't officially build against the x86 target, such as with sandbox.
> 
> So let's move the x86 definitions into the common elf header, where all
> other architectures already have them.
> 
> Signed-off-by: Alexander Graf <agraf at suse.de>

Thanks, applied to efi-next

Alex