staging: greybus: Fix capitalization and punctuation inconsistencies

staging: greybus: Fix capitalization and punctuation inconsistencies

There were a lot of inconsistencies in outputs and
comments, some were properly formatted and
capitalized, and some weren't. This patch resolves
this by properly formatting the inconsistent comments
and outputs.

Signed-off-by: Steven Davis <goldside000@outlook.com>
Link: https://lore.kernel.org/r/SJ2P223MB102660087EA9382BE5287FDBF7912@SJ2P223MB1026.NAMP223.PROD.OUTLOOK.COM
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>