linux-firmware: add new fw file to ${PN}-qcom-adreno-a530

Extend the linux-firmware-qcom-adreno-a530 package with the squashed
Adreno 530 zap shader.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Signed-off-by: Alexandre Belloni <alexandre.belloni@bootlin.com>
(cherry picked from commit 920bf119)
Signed-off-by: Steve Sakoman <steve@sakoman.com>