[PATCH] ASoC: Intel: sst: Add missing include <linux/io.h>

[YueHaibing <yuehaibing@xxxxxxxxxx>]

Fix build error:

sound/soc/intel/atom/sst/sst.c: In function intel_sst_interrupt_mrfld:
sound/soc/intel/atom/sst/sst.c:93:5: error: implicit declaration of function memcpy_fromio;
 did you mean memcpy32_fromio? [-Werror=implicit-function-declaration]
     memcpy_fromio(msg->mailbox_data,
     ^~~~~~~~~~~~~
     memcpy32_fromio

Reported-by: Hulk Robot <hulkci@xxxxxxxxxx>
Signed-off-by: YueHaibing <yuehaibing@xxxxxxxxxx>
---
 sound/soc/intel/atom/sst/sst.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/sound/soc/intel/atom/sst/sst.c b/sound/soc/intel/atom/sst/sst.c
index fbecbb7..68bcec5 100644
--- a/sound/soc/intel/atom/sst/sst.c
+++ b/sound/soc/intel/atom/sst/sst.c
@@ -14,6 +14,7 @@
 #include <linux/module.h>
 #include <linux/fs.h>
 #include <linux/interrupt.h>
+#include <linux/io.h>
 #include <linux/firmware.h>
 #include <linux/pm_runtime.h>
 #include <linux/pm_qos.h>
-- 
2.7.4


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