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

Fixes whitepace around commas. Caught by checkpatch.pl.

ERROR: space required after that ','

Signed-off-by: Lidza Louina <lidza.louina@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>