arm64: dts: qcom: Make a common base from Redmi 5A

arm64: dts: qcom: Make a common base from Redmi 5A

Redmi 5A was made by wingtech like Redmi 4A (rolex) and Redmi GO (tiare).
They are very similar, make a common base from riva for avoid
unnecessary code duplications.

Signed-off-by: Barnabás Czémán <barnabas.czeman@mainlining.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com>
Link: https://lore.kernel.org/r/20260315-riva-common-v3-2-897f130786ed@mainlining.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>