pinctrl: aspeed: Fix typo in comment

Delete the redundant word 'and'.

Signed-off-by: Xiang wangx <wangxiang@cdjrlc.com>
Reviewed-by: Paul Menzel <pmenzel@molgen.mpg.de>
Link: https://lore.kernel.org/r/20220618130854.12321-1-wangxiang@cdjrlc.com


Signed-off-by: Linus Walleij <linus.walleij@linaro.org>