docs: replace ar71xx occurences with ath79

Replace occurences of ar71xx with ath79. Remove references of ar71xx
targets which are not relevant anymore.

docs/dev/hardware.rst

@@ -34,8 +34,8 @@ The ``tiny`` device-class contains devices with the following limitations:
 
 Adding profiles
 ---------------
-The vast majority of devices with ath9k WLAN is based on the ar71xx target of OpenWrt.
-If the hardware you want to add support for is ar71xx, adding a new profile
+The vast majority of devices with ath9k WLAN is based on the ath79 target of OpenWrt.
+If the hardware you want to add support for is ath79, adding a new profile
 is sufficient.
 
 Profiles are defined in ``targets/*`` in a shell-based DSL (so common shell
@@ -155,10 +155,7 @@ Build system support
 ''''''''''''''''''''
 
 A definition for the new target must be created under ``targets``, and it must be added
-to ``targets/targets.mk``. The ``GluonTarget`` macro takes one to three arguments:
-the target name, the Gluon subtarget name (if the target has subtargets), and the
-OpenWrt subtarget name (if it differs from the Gluon subtarget). The third argument
-can be used to define multiple Gluon targets with different configuration for the
-same OpenWrt target, like it is done for the ``ar71xx-tiny`` target.
+to ``targets/targets.mk``. The ``GluonTarget`` macro takes one to two arguments:
+the target name and the OpenWrt subtarget name.
 
 After this, is should be sufficient to call ``make GLUON_TARGET=<target>`` to build the images for the new target.

docs/features/autoupdater.rst

@@ -61,9 +61,9 @@ A fully automated nightly build could use the following commands:
     git pull
     # git -C site pull
     make update
-    make clean GLUON_TARGET=ar71xx-generic
+    make clean GLUON_TARGET=ath79-generic
     NUM_CORES_PLUS_ONE=$(expr $(nproc) + 1)
-    make -j$NUM_CORES_PLUS_ONE GLUON_TARGET=ar71xx-generic GLUON_RELEASE=$GLUON_RELEASE \
+    make -j$NUM_CORES_PLUS_ONE GLUON_TARGET=ath79-generic GLUON_RELEASE=$GLUON_RELEASE \
         GLUON_AUTOUPDATER_BRANCH=experimental GLUON_AUTOUPDATER_ENABLED=1
     make manifest GLUON_RELEASE=$GLUON_RELEASE GLUON_AUTOUPDATER_BRANCH=experimental
     contrib/sign.sh $SECRETKEY output/images/sysupgrade/experimental.manifest

docs/user/getting_started.rst

@@ -84,14 +84,14 @@ Next go back to the top-level Gluon directory and build Gluon::
 
     cd ..
     make update                        # Get other repositories used by Gluon
-    make GLUON_TARGET=ar71xx-generic   # Build Gluon
+    make GLUON_TARGET=ath79-generic   # Build Gluon
 
 In case of errors read the messages carefully and try to fix the stated issues
 (e.g. install missing tools not available or look for Troubleshooting_ in the wiki.
 
 .. _Troubleshooting: https://github.com/freifunk-gluon/gluon/wiki/Troubleshooting
 
-``ar71xx-generic`` is the most common target and will generate images for most of the supported hardware.
+``ath79-generic`` is the most common target and will generate images for most of the supported hardware.
 To see a complete list of supported targets, call ``make`` without setting ``GLUON_TARGET``.
 
 To build all targets use a loop like this::
@@ -124,7 +124,7 @@ Cleaning the build tree
 
 There are two levels of `make clean`::
 
-    make clean GLUON_TARGET=ar71xx-generic
+    make clean GLUON_TARGET=ath79-generic
 
 will ensure all packages are rebuilt for a single target. This is usually not
 necessary, but may fix certain kinds of build failures.

docs/user/site.rst

@@ -102,7 +102,7 @@ opkg \: optional
 
     - ``%d`` is replaced by the OpenWrt distribution name ("openwrt")
     - ``%v`` is replaced by the OpenWrt version number (e.g. "17.01")
-    - ``%S`` is replaced by the target board (e.g. "ar71xx/generic")
+    - ``%S`` is replaced by the target board (e.g. "ath79/generic")
     - ``%A`` is replaced by the target architecture (e.g. "mips_24kc")
     - ``%GS`` is replaced by the Gluon site code (as specified in ``site.conf``)
     - ``%GV`` is replaced by the Gluon version