msm_serial_hs: Mark irq as oneshot
msm_serial_hs: Mark irq as oneshot

Threaded irqs should be marked IRQF_ONESHOT if they don't have a
hard irq handler.

Signed-off-by: Stephen Boyd <010521127f513270fe503d86ab8316ac5147f4b7@codeaurora.org>

TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas,TeamVee-Kanas/android_kernel_samsung_kanas