Add more static binaries to the native-xtools target. These help speed

up the cross builds significantly.

adding:
bin/sh
bin/csh
sbin/md5
usr.bin/bzip2
usr.bin/fetch
usr.bin/gzip
usr.bin/tar
usr.bin/unzip
usr.bin/xz

Phabric: D1146
Reviewed by:	imp bdrewery
MFC after:	2 weeks

Makefile.inc1

@@ -1447,12 +1447,16 @@ NXBMAKE=	${NXBENV} ${MAKE} \
 		MK_CLANG_FULL=no MK_LLDB=no
 
 native-xtools: .MAKE
+	mkdir -p ${OBJTREE}/nxb-bin/bin
+	mkdir -p ${OBJTREE}/nxb-bin/sbin
 	mkdir -p ${OBJTREE}/nxb-bin/usr
 	mtree -deU -f ${.CURDIR}/etc/mtree/BSD.usr.dist \
 	    -p ${OBJTREE}/nxb-bin/usr >/dev/null
 	mtree -deU -f ${.CURDIR}/etc/mtree/BSD.include.dist \
 	    -p ${OBJTREE}/nxb-bin/usr/include >/dev/null
 .for _tool in \
+    bin/csh \
+    bin/sh \
     ${_clang_tblgen} \
     usr.bin/ar \
     ${_binutils} \
@@ -1460,11 +1464,18 @@ native-xtools: .MAKE
     ${_gcc_tools} \
     ${_clang_libs} \
     ${_clang} \
+    sbin/md5 \
     usr.bin/awk \
     usr.bin/bmake \
+    usr.bin/bzip2 \
+    usr.bin/fetch \
+    usr.bin/gzip \
     usr.bin/lex \
     usr.bin/lorder \
     usr.bin/sed \
+    usr.bin/tar \
+    usr.bin/unzip \
+    usr.bin/xz \
     usr.bin/yacc
 	${_+_}@${ECHODIR} "===> ${_tool} (obj,depend,all,install)"; \
 		cd ${.CURDIR}/${_tool} && \