FROMLIST: PCI: mediatek-gen3: Disable ASPM L0s

Disable ASPM L0s support because it does not significantly save power
but impacts performance.

Signed-off-by: Jianjun Wang <jianjun.wang@mediatek.com>
(am from https://patchwork.kernel.org/patch/13925178/)
(also found at https://lore.kernel.org/r/20250103060035.30688-4-jianjun.wang@mediatek.com

)

BUG=b:383258443
TEST=build pass and boot to shell
UPSTREAM-TASK=b:379039276

Change-Id: I82cf455d08548341bbbe76fc964bc4c10ec6d87e
Signed-off-by: Hsin-Te Yuan <yuanhsinte@chromium.org>
Reviewed-on: https://chromium-review.googlesource.com/c/chromiumos/third_party/kernel/+/6174699


Reviewed-by: Fei Shao <fshao@chromium.org>
Tested-by: Fei Shao <fshao@chromium.org>
Reviewed-by: Sean Paul <sean@poorly.run>
Commit-Queue: Fei Shao <fshao@chromium.org>
Signed-off-by: Hubert Mazur <hmazur@google.com>