diag: Rename QDSP to LPASS

QDSP can be used as modem and does not always mean LPASS. This variable
is used for LPASS functionality, thus renaming it to LPASS.

Change-Id: Id4ca0ff57deff5605836d3e215496138287308d5
Signed-off-by: Ashay Jaiswal <ashayj@codeaurora.org>
6 files changed