Sound (Linux): add dirty support

src/data/config_user.txt

@@ -426,4 +426,5 @@
 #--lib-osmesa /usr/lib/libOSMesa.so
 #--lib-opencl /usr/lib/libOpenCL.so
 #--lib-cjson /usr/lib/libcjson.so
+#--lib-cjson /usr/lib/libasound.so
 #--lib-freetype /data/data/com.termux/files/usr/lib

src/data/help.txt

@@ -98,6 +98,8 @@ Library options: Set the path of a library to load
     --lib-osmesa <path>
     --lib-opencl <path>
     --lib-cjson <path>
+    --lib-alsa <path>
+    --lib-freetype <path>
 
 Module specific options:
     --title-fqdn <?value>:                   Set if the title should use fully qualified domain name. Default is false