nmap: Add support for aarch64* builds

Upstream-Status: Submitted to nmap-dev

Signed-off-by: Armin Kuster <akuster@mvista.com>

Index: config.sub
===================================================================
--- a/config.sub
+++ b/config.sub
@@ -249,7 +249,7 @@ case $basic_machine in
 	| a29k \
 	| alpha | alphaev[4-8] | alphaev56 | alphaev6[78] | alphapca5[67] \
 	| alpha64 | alpha64ev[4-8] | alpha64ev56 | alpha64ev6[78] | alpha64pca5[67] \
-	| am33_2.0 \
+	| am33_2.0 | aarch64 | aarch64be \
 	| arc | arm | arm[bl]e | arme[lb] | armv[2345] | armv[345][lb] | avr | avr32 \
 	| bfin \
 	| c4x | clipper \
@@ -343,7 +343,7 @@ case $basic_machine in
 	| alpha64-* | alpha64ev[4-8]-* | alpha64ev56-* | alpha64ev6[78]-* \
 	| alphapca5[67]-* | alpha64pca5[67]-* | arc-* \
 	| arm-*  | armbe-* | armle-* | armeb-* | armv*-* \
-	| avr-* | avr32-* \
+	| avr-* | avr32-* | aarch64-* | aarch64be-*\
 	| bfin-* | bs2000-* \
 	| c[123]* | c30-* | [cjt]90-* | c4x-* \
 	| clipper-* | craynv-* | cydra-* \