ARM: dts: msm: Add revid phandle to read FAB ID

Temperature compensation is needed for charger die
temperature. Offset and slope coefficients are applied
based on the FAB ID read from the REVID peripheral.

Change-Id: I8516a8109b8c9316dafbd547635d4c97bd50be0c
Signed-off-by: Siddartha Mohanadoss <smohanad@codeaurora.org>