update(usb_config): change CONFIG_USBHOST_MAX_INTF_ALTSETTINGS to 2 as default to avoid -Warray-bounds warning

Signed-off-by: sakumisu <1203593632@qq.com>

cherryusb_config_template.h

@@ -154,7 +154,7 @@
 #define CONFIG_USBHOST_MAX_EXTHUBS          1
 #define CONFIG_USBHOST_MAX_EHPORTS          4
 #define CONFIG_USBHOST_MAX_INTERFACES       8
-#define CONFIG_USBHOST_MAX_INTF_ALTSETTINGS 1
+#define CONFIG_USBHOST_MAX_INTF_ALTSETTINGS 2
 #define CONFIG_USBHOST_MAX_ENDPOINTS        4
 
 #define CONFIG_USBHOST_MAX_CDC_ACM_CLASS 4

osal/idf/usb_config.h

@@ -153,7 +153,7 @@
 #define CONFIG_USBHOST_MAX_EXTHUBS          1
 #define CONFIG_USBHOST_MAX_EHPORTS          4
 #define CONFIG_USBHOST_MAX_INTERFACES       8
-#define CONFIG_USBHOST_MAX_INTF_ALTSETTINGS 1
+#define CONFIG_USBHOST_MAX_INTF_ALTSETTINGS 2
 #define CONFIG_USBHOST_MAX_ENDPOINTS        4
 
 #define CONFIG_USBHOST_MAX_CDC_ACM_CLASS 4