Documentation: Fix links to Intel/documentation.html

Fix links to the documenation.html page which was renamed from
x86Documenation.html.

TEST=Verified documentation links and searched for x86Documenation.html

Change-Id: Icee79bab4c05ac9b8010dc7acdde8dd5e2ab2909
Signed-off-by: Lee Leahy <leroy.p.leahy@intel.com>
Reviewed-on: https://review.coreboot.org/13592
Tested-by: build bot (Jenkins)
Reviewed-by: Martin Roth <martinroth@google.com>
7 files changed