ARM: dts: msm: Update the board-id and msm-id for SDM855+SDX50

Update the board-id and msm-id for the SDM855+SDX50 CDP and MTP
platforms as per the new configuration.

Change-Id: I963f0465a14487b008c3c1ec48f49acf4e7ac5af
Signed-off-by: Raghavendra Rao Ananta <rananta@codeaurora.org>