staging: sm750fb: Kconfig: Fix spelling mistake "accelearion" -> "acceleration"

There is a spelling mistake in a Kconfig description. Fix it.

Signed-off-by: Colin Ian King <colin.i.king@gmail.com>
Link: https://lore.kernel.org/r/20221007202941.2756304-1-colin.i.king@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>