staging: csr: fix indentation code style issue in csr_framework_ext.c

This is a patch to csr_framework.c that fixes indentation style issues
found by the checkpatch.pl tool.

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