msm: sps: support polling when pipe is in IRQ mode

BAM client has a new use case where active polling is needed when
the pipe is configured in the interrupt mode. Add the support in SPS
driver for this use case.

Signed-off-by: Yan He <yanhe@codeaurora.org>
diff --git a/arch/arm/mach-msm/include/mach/sps.h b/arch/arm/mach-msm/include/mach/sps.h
index 5333c2e..a000c3e 100644
--- a/arch/arm/mach-msm/include/mach/sps.h
+++ b/arch/arm/mach-msm/include/mach/sps.h
@@ -160,6 +160,8 @@
 	SPS_O_AUTO_ENABLE = 0x20000000,
 	/* DISABLE endpoint synchronization for config/enable/disable */
 	SPS_O_NO_EP_SYNC = 0x40000000,
+	/* Allow partial polling duing IRQ mode */
+	SPS_O_HYBRID = 0x80000000,
 };
 
 /**