Update Linux to v5.10.109

Sourced from [1]

[1] https://cdn.kernel.org/pub/linux/kernel/v5.x/linux-5.10.109.tar.xz

Change-Id: I19bca9fc6762d4e63bcf3e4cba88bbe560d9c76c
Signed-off-by: Olivier Deprez <olivier.deprez@arm.com>
diff --git a/drivers/usb/phy/phy-ulpi-viewport.c b/drivers/usb/phy/phy-ulpi-viewport.c
index 7a14e0e..0f61e32 100644
--- a/drivers/usb/phy/phy-ulpi-viewport.c
+++ b/drivers/usb/phy/phy-ulpi-viewport.c
@@ -7,6 +7,7 @@
 #include <linux/kernel.h>
 #include <linux/usb.h>
 #include <linux/io.h>
+#include <linux/iopoll.h>
 #include <linux/usb/otg.h>
 #include <linux/usb/ulpi.h>
 
@@ -20,16 +21,9 @@
 
 static int ulpi_viewport_wait(void __iomem *view, u32 mask)
 {
-	unsigned long usec = 2000;
+	u32 val;
 
-	while (usec--) {
-		if (!(readl(view) & mask))
-			return 0;
-
-		udelay(1);
-	}
-
-	return -ETIMEDOUT;
+	return readl_poll_timeout_atomic(view, val, !(val & mask), 1, 2000);
 }
 
 static int ulpi_viewport_read(struct usb_phy *otg, u32 reg)