rdma: used line_n_int to trigger osd, dv and hdr rdma [1/2]

rdma: used line_n_int to trigger osd, dv and hdr rdma [1/2]

PD#SWPL-4582

Problem:
g12b revb osd blend shift issue still exist
when dv and hdr enable/disable

Solution:
used line_n_int to trigger osd, dv and hdr rdma,
this workaround can fix shift issue

Verify:
verify by g12b revb

Change-Id: Ie9747b2f7aaa3a7997245f82d15831c4c3da41cf
Signed-off-by: Pengcheng Chen <pengcheng.chen@amlogic.com>