ARM: dts: msm: disable maxim_sti touch node for MSMGOLD CDP/MTP

Disable the maxim_sti touch node for MSMGOLD CDP and MTP target, as
the touchscreen controller will be managed by adsp from now on.

Change-Id: Iaff20387f49a35e06acf63a9bbaeff1d9c7bdc2f
Signed-off-by: Himanshu Aggarwal <haggarwa@codeaurora.org>