Add the allocation types detailed in section 6.2 - "AllocatePages()"
of the UEFI 2.3 specification. These definitions will be used by the
x86 EFI boot stub which needs to allocate memory during boot.

Cc: Matthew Garrett <mjg@redhat.com>
Signed-off-by: NMatt Fleming <matt.fleming@intel.com>
Link: http://lkml.kernel.org/r/1318848017-12301-1-git-send-email-matt@console-pimps.orgSigned-off-by: NH. Peter Anvin <hpa@linux.intel.com>