staging: rtl8192e: Fix DEEP_INDENTATION warning in rtllib_parse_info_param()

Move MFIE_TYPE_GENERIC handler to rtllib_parse_mife_generic() function.
Code was not altered significantly, therefore in some places it generates
LONG_LINE checkpatch.pl warnings.
Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>