desktop: add missing packages to get sound working

- add support for alsa and pulseaudio clients in pipewire
- install alsa sof firmware
- install kernel-modules on Fedora (which includes all the sound kmods,
  among other things)

Author: davide125

mkosi.profiles/desktop/mkosi.conf

@@ -6,3 +6,4 @@ Packages=
         kbd
         linux-firmware
         pipewire
+        pipewire-alsa

mkosi.profiles/desktop/mkosi.conf.d/arch/mkosi.conf

@@ -9,7 +9,9 @@ Packages=
         mesa
         networkmanager
         noto-fonts
+        pipewire-pulse
         power-profiles-daemon
         qemu-hw-display-virtio-gpu
         qemu-ui-opengl
+        sof-firmware
         vulkan-intel

mkosi.profiles/desktop/mkosi.conf.d/fedora/mkosi.conf

@@ -5,9 +5,12 @@ Distribution=fedora
 
 [Content]
 Packages=
+        alsa-sof-firmware
         glx-utils
+        kernel-modules
         iwlwifi-mvm-firmware
         mesa-dri-drivers
         mesa-vulkan-drivers
         NetworkManager
+        pipewire-pulseaudio
         tuned-ppd