Add missing includes found using -Wmissing-declarations.

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@31396 a1c6a512-1295-4272-9138-f99709370657

firmware/target/arm/as3525/usb-as3525.c

@@ -27,6 +27,7 @@
 #include "usb-target.h"
 #include "power.h"
 #include "as3525.h"
+#include "usb_drv.h"
 
 static int usb_status = USB_EXTRACTED;
 

firmware/target/arm/at91sam/lyre_proto1/adc-lyre_proto1.c

@@ -19,6 +19,8 @@
  *
  ****************************************************************************/
 
+#include "adc.h"
+
 void adc_init(void)
 {
 }

firmware/target/arm/at91sam/lyre_proto1/lcd-lyre_proto1.c

@@ -19,6 +19,8 @@
  *
  ****************************************************************************/
 
+#include "lcd.h"
+
 /* Update the display.
    This must be called after all other LCD functions that change the display */
 void lcd_update(void)

firmware/target/arm/s3c2440/gigabeat-fx/wmcodec-meg-fx.c

@@ -34,6 +34,7 @@
 #include "wmcodec.h"
 
 #ifdef HAVE_HARDWARE_BEEP
+#include "misc.h"
 static void beep_stop(void);
 #endif