msm: ipa3: add support for 64 bit immediate commands

IPA 3.0 adds 64 bit support in HW. Change immediate commands structures
accordingly. This change does not take care of filtering and routing blocks
immediate commands which will be taken care of separately.

Change-Id: Ib39ab0e6f90e64d7e2364148bebb9b03dcda4ad5
Acked-by: Ady Abraham <adya@qti.qualcomm.com>
Signed-off-by: Nadine Toledano <nadinet@codeaurora.org>
Signed-off-by: Amir Levy <alevy@codeaurora.org>
Signed-off-by: Gidon Studinski <gidons@codeaurora.org>