usb: update config descriptors to identify number of interfaces

Previously we relied on the .bNumInterfaces, but that won't always be
accurate after the introduction of grouped interfaces.

Signed-off-by: Brad Hards <bradh@frogmouth.net>
Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>

hw/usb-hid.c

@@ -211,6 +211,7 @@ static const USBDescDevice desc_device_mouse = {
             .iConfiguration        = STR_CONFIG_MOUSE,
             .bmAttributes          = 0xa0,
             .bMaxPower             = 50,
+            .nif = 1,
             .ifs = &desc_iface_mouse,
         },
     },
@@ -227,6 +228,7 @@ static const USBDescDevice desc_device_tablet = {
             .iConfiguration        = STR_CONFIG_TABLET,
             .bmAttributes          = 0xa0,
             .bMaxPower             = 50,
+            .nif = 1,
             .ifs = &desc_iface_tablet,
         },
     },
@@ -243,6 +245,7 @@ static const USBDescDevice desc_device_keyboard = {
             .iConfiguration        = STR_CONFIG_KEYBOARD,
             .bmAttributes          = 0xa0,
             .bMaxPower             = 50,
+            .nif = 1,
             .ifs = &desc_iface_keyboard,
         },
     },

hw/usb-hub.c

@@ -119,6 +119,7 @@ static const USBDescDevice desc_device_hub = {
             .bNumInterfaces        = 1,
             .bConfigurationValue   = 1,
             .bmAttributes          = 0xe0,
+            .nif = 1,
             .ifs = &desc_iface_hub,
         },
     },

hw/usb-msd.c

@@ -119,6 +119,7 @@ static const USBDescDevice desc_device_full = {
             .bConfigurationValue   = 1,
             .iConfiguration        = STR_CONFIG_FULL,
             .bmAttributes          = 0xc0,
+            .nif = 1,
             .ifs = &desc_iface_full,
         },
     },
@@ -153,6 +154,7 @@ static const USBDescDevice desc_device_high = {
             .bConfigurationValue   = 1,
             .iConfiguration        = STR_CONFIG_HIGH,
             .bmAttributes          = 0xc0,
+            .nif = 1,
             .ifs = &desc_iface_high,
         },
     },

hw/usb-serial.c

@@ -146,6 +146,7 @@ static const USBDescDevice desc_device = {
             .bConfigurationValue   = 1,
             .bmAttributes          = 0x80,
             .bMaxPower             = 50,
+            .nif = 1,
             .ifs = &desc_iface0,
         },
     },

hw/usb-wacom.c

@@ -108,6 +108,7 @@ static const USBDescDevice desc_device_wacom = {
             .bConfigurationValue   = 1,
             .bmAttributes          = 0x80,
             .bMaxPower             = 40,
+            .nif = 1,
             .ifs = &desc_iface_wacom,
         },
     },