staging: netlogic: fix checkpatch.pl "LINE_SPACING" issuses

Follow the checkpatch.pl "LINE_SPACING" indication:
1. Insert a blank line after function declaration.
2. Remove multiple blank lines.

Signed-off-by: SeeChen Ng <seechen81@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>