msm: ipa3: configure sequencers type

In order to connect endpoints in DMA mode we
need to configure HPS, DPS sequancers to DMA sequence.
This change set IPA_ENDP_INIT_SEQ_n register to DMA only
in case of ep_mode = DMA  and to Packet Processing, no decipher,
uCP in case of basic mode.

Change-Id: Ie685cffa72d3a96eb8dbc94e15d8072936697056
Signed-off-by: Nadine Toledano <nadinet@codeaurora.org>
Signed-off-by: Amir Levy <alevy@codeaurora.org>