check for zimage style kernel on aarch64+sles (#553)

components/provisioning/warewulf-vnfs/SOURCES/warewulf-vnfs.bootstrap.aarch64.patch

@@ -0,0 +1,27 @@
+--- wwbootstrap.orig    2017-10-13 18:34:31.987826928 -0400
++++ wwbootstrap 2017-10-13 18:39:15.904564374 -0400
+@@ -153,7 +153,7 @@
+
+ mkpath("$tmpdir/initramfs");
+
+-if (! -f "$opt_chroot/boot/vmlinuz-$opt_kversion" && -f "$opt_chroot/boot/vmlinux-$opt_kversion.gz") {
++if (! -f "$opt_chroot/boot/Image-$opt_kversion" ) {
+     &eprint("Can't locate the boot kernel\n");
+     exit 1;
+ }
+@@ -308,12 +308,9 @@
+     close MODCONFFILE;
+ }
+
+-# Attempt to gunzip the kernel, aarch64 kernels are compressed and iPXE can't boot gzip compressed kernels.
+-# Note, if the kernel isn't a gzip, IO::Uncompress::Gunzip makes a direct copy of the file.
+-if (-e "$opt_chroot/boot/vmlinuz-$opt_kversion") {
+-    gunzip "$opt_chroot/boot/vmlinuz-$opt_kversion" => "$tmpdir/kernel" or die "gunzip of kernel failed: $GunzipError\n";
+-} elsif (-e "$opt_chroot/boot/vmlinux-$opt_kversion.gz") {
+-    gunzip "$opt_chroot/boot/vmlinux-$opt_kversion.gz" => "$tmpdir/kernel" or die "gunzip of kernel failed: $GunzipError\n";
++# copy zimage
++if( -e "$opt_chroot/boot/Image-$opt_kversion" ) {
++    copy("$opt_chroot/boot/Image-$opt_kversion", "$tmpdir/kernel");
+ }
+
+ &nprint("Building and compressing bootstrap\n");

components/provisioning/warewulf-vnfs/SPECS/warewulf-vnfs.spec

@@ -54,6 +54,8 @@ Patch3: warewulf-vnfs.wwmkchroot.patch
 Patch4: warewulf-vnfs.utf8.patch
 # 10/10/17 reese.baird@intel.com - fixes bootstrap kernel name on sles
 Patch5: warewulf-vnfs.bootstrap.kernel.patch
+# 10/13/17 karl.w.schulz@intel.com - fixes bootstrap kernel format on aarch64 on sles
+Patch6: warewulf-vnfs.bootstrap.aarch64.patch
 
 
 %description
@@ -73,7 +75,13 @@ cd %{dname}
 %patch2 -p1
 %patch3 -p1
 %patch4 -p1
+%if 0%{!?sles_version} && 0%{!?suse_version}
 %patch5 -p1
+%else
+%ifarch aarch64
+%patch6 -p1
+%endif
+%endif
 
 
 %build