Staging:csr - Fixes whitespace around commas in unifi_pdu_processing.c.

Fixes whitepace around commas. Caught by checkpatch.pl.

ERROR: space required after that ','
Signed-off-by: NLidza Louina <lidza.louina@gmail.com>
Signed-off-by: NGreg Kroah-Hartman <gregkh@linuxfoundation.org>