CorebootModulePkg:Removing EFI_RESOURCE_ATTRIBUTE_TESTED

CorebootModulePkg:Removing EFI_RESOURCE_ATTRIBUTE_TESTED

Remove EFI_RESOURCE_ATTRIBUTE_TESTED when reporting lower 640KB memory
so that the coreboot header is not erased before being processed
by CbParseMemoryInfo. This change is needed for compatibility
with SVN revision 18146.

Contributed-under: TianoCore Contribution Agreement 1.0
Signed-off-by: Scott Duplichan <scott@notabs.org>
Reviewed-by: Prince Agyeman <prince.agyeman@intel.com>
git-svn-id: https://svn.code.sf.net/p/edk2/code/trunk/edk2@18234 6f19259b-4bc3-4df7-8a09-765794883524