arm64: dts: qcom: x1e80100: Resize GIC Redistributor register region

arm64: dts: qcom: x1e80100: Resize GIC Redistributor register region

Resize the GICR register region as it currently seeps into the CPU Control
Processor mailbox RX region.

Fixes: af16b00578a7 ("arm64: dts: qcom: Add base X1E80100 dtsi and the QCP dts")
Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
Reviewed-by: Konrad Dybcio <konrad.dybcio@linaro.org>
Signed-off-by: Sibi Sankar <quic_sibis@quicinc.com>
Link: https://lore.kernel.org/r/20240612124056.39230-4-quic_sibis@quicinc.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>