arm64: dts: qcom: sar2130p: use TAG_ALWAYS for MDSS's mdp0-mem path

arm64: dts: qcom: sar2130p: use TAG_ALWAYS for MDSS's mdp0-mem path

Switch the main memory interconnect of the MDSS device to use
QCOM_ICC_TAG_ALWAYS instead of _ACTIVE_ONLY.

Fixes: 541d0b2f4dcd ("arm64: dts: qcom: sar2130p: add display nodes")
Suggested-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20250618-sar2130p-fix-mdss-v1-1-78c2fb9e9fba@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>