staging: rtl8192e: style fix - Prefer using '"%s...", __func__'

Fixed checkpatch warnings, Prefer using '"%s...", __func__'

Signed-off-by: Derek Robson <robsonde@gmail.com>
Link: https://lore.kernel.org/r/20200202070243.112059-1-robsonde@gmail.com


Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>