staging: rtl8192e: Array was made static const char * const

This patch fixes checkpatch.pl error in file rtllib.h
WARNING: static const char * array should probably be static
const char * const

Signed-off-by: Melike Yurtoglu <aysemelikeyurtoglu@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>