platform: msm_shared: Update the reboot reason values for PON

PON register the bits 5 to 7 are assigned to HLOS to store reboot
reason, use the values for reboot reason starting from bit 5 instead of
using the reboot reason values after right shifting. This cause macro
collision with dload mode macros.

Change-Id: I35e65725b6b2e9d1bea82288b988188e44b16dfb
2 files changed