ARM: dts: msm: reserve LM0/1 for primary disp on SM8150

LM0 & LM1 pair must be reserved for primary display
on SM8150 target. A low resolution sub display may power
on before primary display and RM can allocate LM1 to sub
display without reservation. Primary display has to
select other LM pair instead of LM0/1 in such cases.
This hardware selection logic may lead to pp timeout
on primary display because of RSC vsync wait.

Change-Id: Id7d1637bbd3a2228adbdf3753f9d19b3356da7ec
Signed-off-by: Dhaval Patel <pdhaval@codeaurora.org>