Document changes and release 9

debian/changelog

+librem5-base (9) amber-phone; urgency=medium
+
+  [ Angus Ainslie (Purism) ]
+  * base-all: add pulseaudio-module-bluetooth
+
+  [ Angus Ainslie ]
+  * ucm: wm8962: simplify the alsa ucm
+  * librem5.pa : Use the simplified alsa config
+  * pulse/daemon.conf: Force pulseaudio to use 48K sample rate
+
+ -- Bob Ham <bob.ham@puri.sm>  Mon, 02 Dec 2019 15:01:53 +0000
+
 librem5-base (8) amber-phone; urgency=medium
 
   [ Bob Ham ]