ARM: dts: qcom: apq8064: add missing clocks to the timer node

In order to fix DT schema warning and describe hardware properly, add
missing sleep clock to the timer node.

Fixes: f335b8a ("ARM: dts: qcom: Add initial APQ8064 SoC and IFC6410 board device trees")
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/20250318-fix-nexus-4-v2-6-bcedd1406790@oss.qualcomm.com
Signed-off-by: Bjorn Andersson <andersson@kernel.org>

Author: lumag

arch/arm/boot/dts/qcom/qcom-apq8064.dtsi

@@ -326,6 +326,8 @@
 				     <GIC_PPI 3 (GIC_CPU_MASK_SIMPLE(2) | IRQ_TYPE_EDGE_RISING)>;
 			reg = <0x0200a000 0x100>;
 			clock-frequency = <27000000>;
+			clocks = <&sleep_clk>;
+			clock-names = "sleep";
 			cpu-offset = <0x80000>;
 		};