alphabetize architectures

README.md

@@ -26,6 +26,11 @@ Base OS     | x86_64  | aarch64  | noarch
 CentOS 7.4  | 517     | 309      | 34
 SLES 12 SP3 | 521     | 317      | 34
 
+Base OS     | aarch64 | x86_64  | noarch
+:---:       | :---:   | :---:   | :---:
+CentOS 7.4  | 309     | 517     | 34
+SLES 12 SP3 | 317     | 521     | 34
+
 A list of all available components is available on the OpenHPC
 [wiki](https://github.com/openhpc/ohpc/wiki/Component-List-v1.3.3), and
 specific versioning details can be found in the "Package Manifest" appendix
@@ -50,6 +55,20 @@ the downloads section of the latest
 
 ---
 
+#### Architecture = (aarch64)
+
+###### [CentOS 7.4]
+* [Latest OpenHPC Release RPM](https://github.com/openhpc/ohpc/releases/download/v1.3.GA/ohpc-release-1.3-1.el7.aarch64.rpm) (md5sum=16ad76e74b591a3b6dcc3cb8597d3f7d)
+* [Install Guide (with Warewulf + Slurm)](https://github.com/openhpc/ohpc/releases/download/v1.3.3.GA/Install_guide-CentOS7-Warewulf-SLURM-1.3.3-aarch64.pdf)
+* [Tar Archive](http://build.openhpc.community/dist/1.3.3/OpenHPC-1.3.3.CentOS_7.aarch64.tar) mirror of yum repository (md5sum=c0533df7be95cfc42d6a0450e4aaec83)
+
+###### [SLES 12 SP3]
+* [Latest OpenHPC Release RPM](https://github.com/openhpc/ohpc/releases/download/v1.3.GA/ohpc-release-1.3-1.sle12.aarch64.rpm) (md5sum=706a42f7785952f8b543c501eeec05da)
+* [Install Guide (with Warewulf + Slurm)](https://github.com/openhpc/ohpc/releases/download/v1.3.3.GA/Install_guide-SLE_12-Warewulf-SLURM-1.3.3-aarch64.pdf)
+* [Tar Archive](http://build.openhpc.community/dist/1.3.3/OpenHPC-1.3.3.SLE_12.aarch64.tar) mirror of zypper repository (md5sum=ff49ff2b90341bff0cf756d33e7c030f)
+
+---
+
 #### Architecture = (x86_64)
 
 ###### [CentOS 7.4]
@@ -67,22 +86,6 @@ the downloads section of the latest
 
 ---
 
-#### Architecture = (aarch64)
-
-Note that ARM-based builds in this release are being provided as a **Technology Preview**. See [here](https://github.com/openhpc/ohpc/wiki/ARM-Tech-Preview) for latest info.
-
-###### [CentOS 7.4]
-* [Latest OpenHPC Release RPM](https://github.com/openhpc/ohpc/releases/download/v1.3.GA/ohpc-release-1.3-1.el7.aarch64.rpm) (md5sum=16ad76e74b591a3b6dcc3cb8597d3f7d)
-* [Install Guide (with Warewulf + Slurm)](https://github.com/openhpc/ohpc/releases/download/v1.3.3.GA/Install_guide-CentOS7-Warewulf-SLURM-1.3.3-aarch64.pdf)
-* [Tar Archive](http://build.openhpc.community/dist/1.3.3/OpenHPC-1.3.3.CentOS_7.aarch64.tar) mirror of yum repository (md5sum=c0533df7be95cfc42d6a0450e4aaec83)
-
-###### [SLES 12 SP3]
-* [Latest OpenHPC Release RPM](https://github.com/openhpc/ohpc/releases/download/v1.3.GA/ohpc-release-1.3-1.sle12.aarch64.rpm) (md5sum=706a42f7785952f8b543c501eeec05da)
-* [Install Guide (with Warewulf + Slurm)](https://github.com/openhpc/ohpc/releases/download/v1.3.3.GA/Install_guide-SLE_12-Warewulf-SLURM-1.3.3-aarch64.pdf)
-* [Tar Archive](http://build.openhpc.community/dist/1.3.3/OpenHPC-1.3.3.SLE_12.aarch64.tar) mirror of zypper repository (md5sum=ff49ff2b90341bff0cf756d33e7c030f)
-
----
-
 #### Questions, Comments, or Bug Reports?
 
 Subscribe to the users email list at https://groups.io/g/openhpc-users or see