leds: lm3642: Fix up world writable sysfs files
leds: lm3642: Fix up world writable sysfs files

We don't need these sysfs files to be world writable or group writable.
These files are write-only, change them to S_IWUSR (0200).

Signed-off-by: Axel Lin <b6ffd6973e972cb999e8e535ab74da7fee0c035f@ingics.com>
Acked-by: G.Shark Jeong <31d1a2fd4eb6828b15d7c6db82e04aaa59e04e1c@gmail.com>
Signed-off-by: Bryan Wu <956b36c0f472d2edb239225c10f7e4411d1efbb9@gmail.com>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas,KristFoundation/Programs,KristFoundation/Programs,TeamVee-Kanas/android_kernel_samsung_kanas