Add documentation for asterisk-chan-quectel

.buildbot/openwrt/build.sh

@@ -1,9 +1,16 @@
 #!/bin/bash
 
-# use imagebuilder
-
 ls -lah /Downloads
 
+# use the SDK to build the module:
+# https://github.com/IchthysMaranatha/asterisk-chan-quectel
+# The module is for two vendors, the Quectel-EC* and Simcom SIM7600. In
+# preparation I bought one of each (EC25EUX and SIM7600G specifically), I don't
+# really care if only one will work, then I'll just buy more of that specific
+# vendor's model.
+# now I noticed there is actually a Makefile for openwrt in the repo already:
+# https://github.com/IchthysMaranatha/asterisk-chan-quectel/tree/master/openwrt
+
 tar -xJf /Downloads/openwrt-imagebuilder-${OPENWRT_VERSION}-*.tar.xz
 cd openwrt-imagebuilder-*/
 
@@ -17,5 +24,6 @@ make image \
 		  asterisk-codec-alaw asterisk-codec-ulaw \
 		  asterisk-res-rtp-asterisk kmod-nf-nathelper-extra"
 
+
 mkdir -p ../../out
 mv build_dir/target-aarch64_cortex-a72_musl/linux-bcm27xx_bcm2711/tmp/*.gz ../../out