doc: fix regulator docs cut-and-pasteism
doc: fix regulator docs cut-and-pasteism

Minor copy-and-pasteism in the regulator docs (against
git from today):

Signed-off-by: Dave Gilbert <ba324ca7b1c77fc20bb970d5aff6eea9377918a5@treblig.org>
Signed-off-by: Jiri Kosina <ed58f755cc8caaf10c3e8c731a8b86fb8f13d6cb@suse.cz>

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