bitbake.conf: sort HOSTTOOLS and remove duplicates

index fa5445b..96a9ed9 100644
@@ -455,21 +455,21 @@ export PATH
 
 # Tools needed to run builds with OE-Core
 HOSTTOOLS += " \
-    bash sh cut sed gcc ld git rm install which find xargs cat true mktemp \
-    grep tar gzip touch cp mv basename dirname tr getopt sort awk head tail \
-    mkdir patch uniq perl python chmod python3 ar strip expr ls make as \
-    ranlib egrep echo chown cpio tee wc wget bzip2 stat date rmdir od diff \
-    md5sum dd chrpath file pod2man gunzip python2.7 ln g++ [ false true \
-    uname test hostname nm objdump objcopy cmp printf env readlink gawk fgrep \
-    expand pwd sleep diffstat chgrp flock ldd strings rpcgen du makeinfo \
-    getconf mknod cpp readelf split \
+    [ ar as awk basename bash bzip2 cat chgrp chmod chown chrpath cmp cp cpio \
+    cpp cut date dd diff diffstat dirname du echo egrep env expand expr false \
+    fgrep file find flock g++ gawk gcc getconf getopt git grep gunzip gzip \
+    head hostname install ld ldd ln ls make makeinfo md5sum mkdir mknod \
+    mktemp mv nm objcopy objdump od patch perl pod2man printf pwd python \
+    python2.7 python3 ranlib readelf readlink rm rmdir rpcgen sed sh sleep \
+    sort split stat strings strip tail tar tee test touch tr true uname uniq \
+    wc wget which xargs \
 "
 
 # Tools needed to run testimage runtime image testing
-HOSTTOOLS += "ps stty ip ssh scp ping"
+HOSTTOOLS += "ip ping ps scp ssh stty"
 
 # Link to these if present
-HOSTTOOLS_NONFATAL += "ccache ld.bfd ld.gold gcc-ar gpg sftp nc socat sudo"
+HOSTTOOLS_NONFATAL += "ccache gcc-ar gpg ld.bfd ld.gold nc sftp socat sudo"
 
 # Temporary add few more detected in bitbake world
 HOSTTOOLS_NONFATAL += "join nl size yes zcat"