arm64: dts: qcom: sdm845-samsung-starqltechn: fix GPIO lookup flags for i2c SDA and SCL

arm64: dts: qcom: sdm845-samsung-starqltechn: fix GPIO lookup flags for i2c SDA and SCL

The I2C GPIO bus driver enforces the SDA and SCL pins as open-drain
outputs but the lookup flags in the DTS don't reflect that triggering
warnings from GPIO core. Add the appropriate flags.

Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com>
Signed-off-by: Bartosz Golaszewski <bartosz.golaszewski@linaro.org>
Link: https://lore.kernel.org/r/20250811-qcom-gpio-lookup-open-drain-v1-3-b5496f80e047@linaro.org
Signed-off-by: Bjorn Andersson <andersson@kernel.org>