arm64: dts: qcom: sc7280: Remove unused second MPSS reg

arm64: dts: qcom: sc7280: Remove unused second MPSS reg

The bindings for sc7280-mpss-pas neither expects a second reg nor a
reg-names property, which is only required by the sc7280-mss-pil
bindings.

Move it to sc7280-herobrine-lte-sku.dtsi, the only place where that
other compatible is used.

Reviewed-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Luca Weiss <luca.weiss@fairphone.com>
Link: https://lore.kernel.org/r/20231208-sc7280-remoteprocs-v3-2-6aa394d33edf@fairphone.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>