dt-bindings: cache: qcom,llcc: correct QDU1000 reg entries

dt-bindings: cache: qcom,llcc: correct QDU1000 reg entries

Qualcomm QDU1000 DTSI comes with one LLCC0 base address as pointed by
dtbs_check:

  qdu1000-idp.dtb: system-cache-controller@19200000: reg-names:2: 'llcc2_base' was expected

Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Acked-by: Conor Dooley <conor.dooley@microchip.com>
Acked-by: Mukesh Ojha <quic_mojha@quicinc.com>
Link: https://lore.kernel.org/r/20231107080436.16747-1-krzysztof.kozlowski@linaro.org
Signed-off-by: Rob Herring <robh@kernel.org>