PC-BSD/trueos b01f6a7. Makefile.inc1, usr.sbin/config Makefile mkmakefile.c

Fix build after r336011

Add libnv to bootstrap-tools, use ${SRCTOP}/sys headers.
DeltaFile
+10-1Makefile.inc1
+1-1usr.sbin/config/Makefile
+1-1usr.sbin/config/mkmakefile.c
+12-33 files

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