netbpfload: V+ x86 require 64-bit kernel

For reasoning see:
  https://android-review.googlesource.com/c/platform/system/netd/+/2966803

Test: TreeHugger
Signed-off-by: Maciej Żenczykowski <maze@google.com>
Change-Id: If479b0443a64e0bf98ca89016d42ca37e231c576
1 file changed