Added missing usb #includes to usb source files.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@17309 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/usb-drv-arc.c

@@ -26,6 +26,8 @@
 #include "usb_core.h"
 #include "kernel.h"
 #include "panic.h"
+#include "usb_drv.h"
+
 //#define LOGF_ENABLE
 #include "logf.h"
 

firmware/target/arm/usb-fw-pp502x.c

@@ -29,6 +29,7 @@
 #include "string.h"
 #include "usb_core.h"
 #include "usb_drv.h"
+#include "usb-target.h"
 
 void usb_init_device(void)
 {

firmware/usbstack/usb_charging_only.c

@@ -21,6 +21,7 @@
 #include "usb_core.h"
 #include "usb_drv.h"
 #include "kernel.h"
+#include "usb_charging_only.h"
 
 //#define LOGF_ENABLE
 #include "logf.h"

firmware/usbstack/usb_serial.c

@@ -21,6 +21,7 @@
 #include "usb_core.h"
 #include "usb_drv.h"
 #include "kernel.h"
+#include "usb_serial.h"
 
 //#define LOGF_ENABLE
 #include "logf.h"

firmware/usbstack/usb_storage.c

@@ -27,6 +27,7 @@
 #include "disk.h"
 /* Needed to get at the audio buffer */
 #include "audio.h"
+#include "usb_storage.h"
 
 
 #ifdef USB_STORAGE