FreeBSD/ports e923395 (r459822)emulators/xen-kernel Makefile, emulators/xen-kernel/files 0001-x86-entry-Remove-support-for-partial-cpu_user_regs-f.patch 0001-x86-mm-Always-set-_PAGE_ACCESSED-on-L4e-updates.patch

xen-kernel: add prerequisites for XSA-254 bandaid

MFH with:       r459787
MFH:            2018Q1
DeltaFile
+399-0emulators/xen-kernel/files/0001-x86-entry-Remove-support-for-partial-cpu_user_regs-f.patch
+45-0emulators/xen-kernel/files/0001-x86-mm-Always-set-_PAGE_ACCESSED-on-L4e-updates.patch
+3-1emulators/xen-kernel/Makefile
+447-13 files

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