[PARISC] Quiet sysfs_create_link __must_check warnings in pdc_stable
[PARISC] Quiet sysfs_create_link __must_check warnings in pdc_stable

Failing to create the links doesn't seem like a fatal error in these
paths. WARN_ON seems better than nothing though.

Signed-off-by: Kyle McMartin <3c25b01657254677d3e1a8fd1f0742c5d489bd39@mcmartin.ca>

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