soc: swr-mstr: suppress continuous warning interrupts

Some warning interrupts keep flooding as long as data
path is enabled. Disable the interrupt after the first
interrupt to avoid flooding, and reenable for new data
path.

Change-Id: Ie4cd447be908ab40568fa24d6111d8a1f0483ee4
Signed-off-by: Ramprasad Katkam <katkam@codeaurora.org>