disable battery level on desktop Linux (#8026)

This also include ChromeOS laptops (chromebooks) since the power sysfs attributes don't exist in linux containers.

frontend/device/sdl/device.lua

@@ -55,7 +55,7 @@ local Device = Generic:new{
     model = "SDL",
     isSDL = yes,
     home_dir = os.getenv("XDG_DOCUMENTS_DIR") or os.getenv("HOME"),
-    hasBattery = SDL.getPowerInfo(),
+    hasBattery = SDL.getPowerInfo,
     hasKeyboard = yes,
     hasKeys = yes,
     hasDPad = yes,

platform/debian/do_debian_package.sh

@@ -79,7 +79,6 @@ if command_exists "${COMMAND}"; then
     find "${BASE_DIR}" -type d -print0 | xargs -0 chmod 755
     find "${BASE_DIR}" -executable -type f -print0 | xargs -0 chmod 755
     find "${BASE_DIR}" -type f -name "*.cff" -print0 | xargs -0 chmod 644
-    find "${BASE_DIR}" -type f -name "*.crt" -print0 | xargs -0 chmod 644
     find "${BASE_DIR}" -type f -name "*.html" -print0 | xargs -0 chmod 644
     find "${BASE_DIR}" -type f -name "*.lua" -print0 | xargs -0 chmod 644
     find "${BASE_DIR}" -type f -name "*manifest" -print0 | xargs -0 chmod 644