ARM: dts: msm: add qseecom device for APQ8084

Add the qseecom device tree entries for APQ8084 bring up so as to
enable secure app and client communication between HLOS and TZ.

Change-Id: I4e7538ebca71b5dcf272402e06401471b1863c90
Signed-off-by: Zhen Kong <zkong@codeaurora.org>