arm64: dts: qcom: msm8996-gemini: fix touchscreen VIO supply

According to bindings and Linux driver, there is no VDDA but VIO supply.

Fixes: 4ac46b36 ("arm64: dts: qcom: msm8996: xiaomi-gemini: Add support for Xiaomi Mi 5")
Signed-off-by: Krzysztof Kozlowski <krzysztof.kozlowski@linaro.org>
Link: https://lore.kernel.org/r/20230720115335.137354-2-krzysztof.kozlowski@linaro.org


Signed-off-by: Bjorn Andersson <andersson@kernel.org>