Currently all the csiphy debugfs entries are
populated in the same camera-csiphy folder.
This has make searching for a desired debugfs
for desired csiphy a little difficult. Move
all those debugfs entries to the respective
csiphy index directory for easy access.
CRs-fixed: 2992807
Change-Id: Ia48df672669c88a0dd72f051a7be3d8e043c7e7c
Signed-off-by: Jigar Agrawal <jigar@codeaurora.org>