update-linux-headers: Include const.h

Kernel commit a85cbe6159ff ("uapi: move constants from
<linux/kernel.h> to <linux/const.h>") breaks our script
because of the unrecognized include. Let's add that to
our processing.

Signed-off-by: Eric Farman <farman@linux.ibm.com>
Reviewed-by: Peter Xu <peterx@redhat.com>
Reviewed-by: Philippe Mathieu-Daudé <philmd@redhat.com>
Message-Id: <20210104202057.48048-2-farman@linux.ibm.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>

scripts/update-linux-headers.sh

@@ -41,6 +41,7 @@ cp_portable() {
                                      -e 'pvrdma_verbs' \
                                      -e 'drm.h' \
                                      -e 'limits' \
+                                     -e 'linux/const' \
                                      -e 'linux/kernel' \
                                      -e 'linux/sysinfo' \
                                      -e 'asm-generic/kvm_para' \
@@ -190,7 +191,9 @@ for i in "$tmpdir"/include/linux/*virtio*.h \
          "$tmpdir/include/linux/input.h" \
          "$tmpdir/include/linux/input-event-codes.h" \
          "$tmpdir/include/linux/pci_regs.h" \
-         "$tmpdir/include/linux/ethtool.h" "$tmpdir/include/linux/kernel.h" \
+         "$tmpdir/include/linux/ethtool.h" \
+         "$tmpdir/include/linux/const.h" \
+         "$tmpdir/include/linux/kernel.h" \
          "$tmpdir/include/linux/vhost_types.h" \
          "$tmpdir/include/linux/sysinfo.h"; do
     cp_portable "$i" "$output/include/standard-headers/linux"