arm64: dts: qcom: fix remaining gpu_zap_shader labels

arm64: dts: qcom: fix remaining gpu_zap_shader labels

Most qcom DTs were converted to use the gpu_zap_shader label instead
of patching the gpu node in commit 2377626fd216 ("arm64: dts: qcom:
add gpu_zap_shader label"). This fixes the remaining ones.

Signed-off-by: Tobias Heider <tobias.heider@canonical.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260328-zap-v1-1-f6810b9b4930@canonical.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>