Staging: csr: fix indentation style issue in bh.c

This is a patch to the bh.c file that fixes up all indentation errors
found the checkpatch.pl tool. Two lines beyond 80 characters are left
alone to improve readability

Signed-off-by: Davis Abubakr-Sadik Nii Nai <dwa2pac@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>