Fix potential OOB read in sdpu_get_len_from_type

Add boundary check in sdpu_get_len_from_type to prevent potential OOB read.

(This commit was skipped from oc-dr1-dev down, so the Merged-In tag is
from a later CL to avoid a conflict)

Bug: 117105007
Test: Manul
Change-Id: I1bb50e840a977df1c0403f3cce2d73dd1a73aa62
Merged-In: I9f0df8b2de28970e7d69b737ce5d363785183bf3
(cherry picked from commit 9508374e)
(cherry picked from commit 22f80bd1)