util-linux: fix build on AArch64

Fixes:

 http://autobuild.buildroot.org/results/5b63022f4c2d8bdd72697e8007e8a6101a64dd12/build-end.log

Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
Signed-off-by: Peter Korsgaard <jacmet@sunsite.dk>

package/util-linux/util-linux-fdisk-aarch64-support.patch

@@ -0,0 +1,22 @@
+Add case for the aarch64 architecture
+
+Taken from https://bugs.launchpad.net/ubuntu/+source/util-linux/+bug/1061609
+
+Code written by Wookey.
+
+Signed-off-by: Thomas Petazzoni <thomas.petazzoni@free-electrons.com>
+
+Index: b/fdisk/fdiskbsdlabel.h
+===================================================================
+--- a/fdisk/fdiskbsdlabel.h
++++ b/fdisk/fdiskbsdlabel.h
+@@ -48,7 +48,8 @@
+ 
+ #if defined (i386) || defined (__sparc__) || defined (__arm__) || \
+     defined (__mips__) || defined (__s390__) || defined (__sh__) || \
+-    defined(__x86_64__) || defined (__avr32__) || defined(__cris__)
++    defined(__x86_64__) || defined (__avr32__) || defined(__cris__) || \
++    defined(__aarch64__)
+ #define BSD_LABELSECTOR   1
+ #define BSD_LABELOFFSET   0
+ #elif defined (__alpha__) || defined (__powerpc__) || defined (__ia64__) || defined (__hppa__)