Docs/arch/arm64: Fix spelling in amu.rst
Change though to through.
Signed-off-by: Gabriel <gshahrouzi@gmail.com>
Signed-off-by: Jonathan Corbet <corbet@lwn.net>
Link: https://lore.kernel.org/r/67bd05b5.c80a0220.205997.19df@mx.google.com
authored by