Fix typos, most reported by "codespell arch/sparc".  Only touches
comments, no code changes.
Signed-off-by: Bjorn Helgaas <bhelgaas@google.com>
Cc: sparclinux@vger.kernel.org
Reviewed-by: Randy Dunlap <rdunlap@infradead.org>
Signed-off-by: Andreas Larsson <andreas@gaisler.com>
Link: https://lore.kernel.org/r/20240103231605.1801364-9-helgaas@kernel.org