leds-lp55xx: fix error condition in lp55xx_register_leds()
leds-lp55xx: fix error condition in lp55xx_register_leds()

 Use lp55xx_unregister_leds() rather than duplicate code.

Signed-off-by: Milo(Woogyom) Kim <44ea671b8b7a8196e0a2fe07b01cac0858e18926@ti.com>
Signed-off-by: Bryan Wu <956b36c0f472d2edb239225c10f7e4411d1efbb9@gmail.com>

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