qemu: conf: Remove /dev/sev from the default cgroup device acl list

We should not give domains access to something they don't necessarily
need by default. Remove it from the qemu driver docs too.
Signed-off-by: NErik Skultety <eskultet@redhat.com>
Reviewed-by: NDaniel P. Berrangé <berrange@redhat.com>

docs/drvqemu.html.in

@@ -396,7 +396,7 @@ chmod o+x /path/to/directory
 /dev/null, /dev/full, /dev/zero,
 /dev/random, /dev/urandom,
 /dev/ptmx, /dev/kvm, /dev/kqemu,
-/dev/rtc, /dev/hpet, /dev/sev
+/dev/rtc, /dev/hpet
 </pre>
 
     <p>

src/qemu/qemu.conf

@@ -490,7 +490,7 @@
 #    "/dev/null", "/dev/full", "/dev/zero",
 #    "/dev/random", "/dev/urandom",
 #    "/dev/ptmx", "/dev/kvm", "/dev/kqemu",
-#    "/dev/rtc","/dev/hpet", "/dev/sev"
+#    "/dev/rtc","/dev/hpet"
 #]
 #
 # RDMA migration requires the following extra files to be added to the list:

src/qemu/qemu_cgroup.c

@@ -46,7 +46,7 @@ const char *const defaultDeviceACL[] = {
     "/dev/null", "/dev/full", "/dev/zero",
     "/dev/random", "/dev/urandom",
     "/dev/ptmx", "/dev/kvm", "/dev/kqemu",
-    "/dev/rtc", "/dev/hpet", "/dev/sev",
+    "/dev/rtc", "/dev/hpet",
     NULL,
 };
 #define DEVICE_PTY_MAJOR 136

src/qemu/test_libvirtd_qemu.aug.in

@@ -63,7 +63,6 @@ module Test_libvirtd_qemu =
     { "8" = "/dev/kqemu" }
     { "9" = "/dev/rtc" }
     { "10" = "/dev/hpet" }
-    { "11" = "/dev/sev" }
 }
 { "save_image_format" = "raw" }
 { "dump_image_format" = "raw" }