arm/dt: msm8974: Disable simulation UARTs by default

Disable the simulation UARTs in the top-level DTSI file and
explicitly enable them in the simulation DTS files to avoid
the maintenance burden of disabling them on all new
targets.

Change-Id: Ifc85b131c13abbf13ebe6066388e2c64efea0a51
Signed-off-by: Stepan Moskovchenko <stepanm@codeaurora.org>
3 files changed