staging: rtl8192e: Fix DEEP_INDENTATION warnings in rtllib_parse_info_param()

- Replace ?: with min_t
- Remove condition that is always true

Signed-off-by: Mateusz Kulikowski <mateusz.kulikowski@gmail.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>