USB: OTG: Vote against APP's idle PC in USB Host Mode

In USB Host mode, When the target is going to APP's
idle PC and coming out with any peripheral device
connected, target is crashing. Fix this issue by
not allowing Idle PC in USB Host Mode.

(cherry picked from commit 9d672c8f341fc2bbee2c6ee0108d7d8eedbe999f)

Change-Id: I7f5fb2fe9d2f545bc383daf0c0ab3d322650e9a5
Signed-off-by: Murali Nalajala <mnalajal@codeaurora.org>
msm: rpc: hold spinlock while doing wait_event

To prevent a race condition between wake_up called by
msm_rpcrouter_xprt_notify and wait_event in rr_read
hold a spinlock irqsave to prevent the system from going into
sleep when there is pending SMD data to process.

CRs-Fixed: 393416
Change-Id: Ic329c785fa8272857b7f067819d51a516a9cdc0d
Signed-off-by: Angshuman Sarkar <angshuman@codeaurora.org>