usb/chipidea: fix repeated words in comments

 Delete the redundant word 'power'.

Acked-by: Peter Chen <peter.chen@kernel.org>
Signed-off-by: Jilin Yuan <yuanjilin@cdjrlc.com>
Link: https://lore.kernel.org/r/20220716131630.33151-1-yuanjilin@cdjrlc.com


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