Fix a typo (duplicated word) in Documentation/leds/leds-class.txt
Signed-off-by: NBryan Wu <bryan.wu@canonical.com>
Acked-by: NRichard Purdie <rchard.purdie@linuxfoundation.org>
Signed-off-by: NRandy Dunlap <rdunlap@xenotime.net>
Signed-off-by: NLinus Torvalds <torvalds@linux-foundation.org>