soc: swr-mstr: Update class-H port params

Update sampling interval for class-H as per HW spec
and hstart/hstop bit fields in swr master register
since master fields are not same as slave fields
for this setting as defined in HW register document.

Change-Id: Iefb5bb83bb8984ee964f405f53ab6f8f0ba47f75
Signed-off-by: Laxminath Kasam <lkasam@codeaurora.org>