staging/easycap: replace if(true == var) with if (var)

's/(true == \([^ ]\+\))/(\1)/g'

Cc: Mike Thomas <rmthomas@sciolus.org>
Signed-off-by: Tomas Winkler <tomas.winkler@intel.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>