arm64: dts: exynos: gs101: Add 'local-timer-stop' to cpuidle nodes

In preparation for switching to the architected timer as the primary
clockevents device, mark the cpuidle nodes with the 'local-timer-stop'
property to indicate that an alternative clockevents device must be
used for waking up from the "c2" idle state.

Signed-off-by: Will Deacon <willdeacon@google.com>
[Original commit from https://android.googlesource.com/kernel/gs/+/a896fd98638047989513d05556faebd28a62b27c

]
Signed-off-by: Will McVicker <willmcvicker@google.com>
Reviewed-by: Youngmin Nam <youngmin.nam@samsung.com>
Tested-by: Youngmin Nam <youngmin.nam@samsung.com>
Fixes: ea89fdf2 ("arm64: dts: exynos: google: Add initial Google gs101 SoC support")
Signed-off-by: Peter Griffin <peter.griffin@linaro.org>
Reviewed-by: Peter Griffin <peter.griffin@linaro.org>
Tested-by: Peter Griffin <peter.griffin@linaro.org>
Link: https://lore.kernel.org/r/20250611-gs101-cpuidle-v2-1-4fa811ec404d@linaro.org


Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>