dt-bindings: arm: qcom: Fix html link

dt-bindings: arm: qcom: Fix html link

This link got broken by commit e790a4ce5290 ("arm: docs: Move Arm
documentation to Documentation/arch/") when the doc moved from arm/ to
arch/arm/. Fix the link so that it can continue to be followed.

Fixes: e790a4ce5290 ("arm: docs: Move Arm documentation to Documentation/arch/")
Cc: Alexandre TORGUE <alexandre.torgue@foss.st.com>
Cc: Yanteng Si <siyanteng@loongson.cn>
Cc: Jonathan Corbet <corbet@lwn.net>
Reviewed-by: Douglas Anderson <dianders@chromium.org>
Acked-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Signed-off-by: Stephen Boyd <swboyd@chromium.org>
Link: https://lore.kernel.org/r/20231129030443.2753833-1-swboyd@chromium.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>