leds-ss4200: Check pci_enable_device return
leds-ss4200: Check pci_enable_device return

pci_enable_result is defined using the __must_check macro but
leds-ss4200 is not checking the return value.

Signed-off-by: Javier Martinez Canillas <07d7d8b97f07df629b11b70f3903e2991d35e296@gmail.com>
Signed-off-by: Dave Hansen <bfcdf3e6ca6cef45543bfbb57509c92aec9a39fb@sr71.net>
Signed-off-by: Richard Purdie <a03894c799ea916bd571ce8f12ed88f6fb3400f7@linux.intel.com>

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