add launchpad bug reports without comments

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+ [Feature request]For some ehci controller, qemu should implement using portsc[26-27]  to detect the speed of device.
+
+for some ehci controller ,for example ehci controller on fsl_imx6,it using portsc[26-27] to decide a full speed device or high speed device was connected, hub-ehci.c should set the portsc[26-27] to return the right speed.
+
+line:1001 in hub-ehci.c
+        if (dev && dev->attached && (dev->speedmask & USB_SPEED_MASK_HIGH)) {
+            val |= PORTSC_PED;
+        }
+
+below is the spec for fsl_imx6 USB PART.
+PORTSC:27–26 :PSPD
+Port Speed - Read Only.
+This register field indicates the speed at which the port is operating.
+00 Full Speed
+01 Low Speed
+10 High Speed
+11 Undefined
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