msm: ipa3: tx_suspend_irq HW bug work around

Suspend IRQ is triggered each time TX sees a packet destined
to a suspended endpoint. Each time TX re-arbitrates to such a DPS-TX queue
it will trigger suspend IRQ again.

This change apply a work around for this HW bug which disable
TX_SUSPEND_IRQ for ~5ms when such interrupt occur
(while the interrupt is handled).

Change-Id: Ib54ec99080dbee51b7e6a55269ce41b9ac3d4cd5
Signed-off-by: Nadine Toledano <nadinet@codeaurora.org>
Signed-off-by: Amir Levy <alevy@codeaurora.org>