Basic touchscreen connected to second i2c bus. Signed-off-by: Petr Hodina <petr.hodina@protonmail.com> Reviewed-by: Konrad Dybcio <konrad.dybcio@oss.qualcomm.com> Reviewed-by: Dmitry Baryshkov <dmitry.baryshkov@oss.qualcomm.com> Reviewed-by: Abel Vesa <abel.vesa@oss.qualcomm.com> Co-developed-by: David Heidelberg <david@ixit.cz> Signed-off-by: David Heidelberg <david@ixit.cz>