feat(hardware): auto-detect audio, bluetooth, camera with declarative override

roles/configuration/tasks/grub.yml

@@ -7,7 +7,7 @@
     line: "{{ item.line }}"
   loop:
     - regexp: ^GRUB_CMDLINE_LINUX_DEFAULT=
-      line: GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3"
+      line: 'GRUB_CMDLINE_LINUX_DEFAULT="loglevel=3{{ (" " ~ (_hardware_profile_kernel_params | join(" "))) if (_hardware_profile_kernel_params | default([]) | length > 0) else "" }}"'
     - regexp: ^GRUB_TIMEOUT=
       line: GRUB_TIMEOUT=1
   loop_control:
@@ -43,19 +43,21 @@
           }}
         grub_root_flags: >-
           {{ ['rootflags=subvol=@'] if system_cfg.filesystem == 'btrfs' else [] }}
+        # String-concat (not list-concat like grub_kernel_cmdline_base below): ansible-lint's
+        # jinja render trips on list+list when grub_lvm_args leads the expression here.
         grub_cmdline_linux_base: >-
           {{
-            (['crashkernel=auto'] + grub_lvm_args)
-            | join(' ')
+            ((grub_lvm_args | join(' ')) ~ ' ' ~ (_hardware_profile_kernel_params | default([]) | join(' '))) | trim
           }}
         grub_kernel_cmdline_base: >-
           {{
             (
               (['root=UUID=' + grub_root_uuid]
                if grub_root_uuid | length > 0 else [])
-              + ['ro', 'crashkernel=auto']
+              + ['ro']
               + grub_lvm_args
               + grub_root_flags
+              + (_hardware_profile_kernel_params | default([]))
             )
             | join(' ')
           }}