liburi-perl: Set DEBIAN_QUILT_PATCHES to null
liburi-perl: Set DEBIAN_QUILT_PATCHES to null

liburi-perl has debian/source/format is "3.0 (quilt)" but there is no patch,
so set DEBIAN_QUILT_PATCHES = "" to avoid error: "debian/patches not found"

Signed-off-by: Trung Do <64081e6b7eb2b24289b8a4e51cef9836ddf28af2@toshiba-tsdv.com>

nghiaht-tsdv/meta-debian,tienlee/meta-debian,nghiaht-tsdv/meta-debian,tienlee/meta-debian,meta-debian/meta-debian,tienlee/meta-debian,tienlee/meta-debian,tienlee/meta-debian,tienlee/meta-debian,meta-debian/meta-debian,nghiaht-tsdv/meta-debian,nghiaht-tsdv/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,meta-debian/meta-debian,nghiaht-tsdv/meta-debian,meta-debian/meta-debian,nghiaht-tsdv/meta-debian