Add architecture guards to all architecture-specific files, so that they can be bulk-added to existing IDE projects without having to exclude unused architecture files.

LUFA/Platform/UC3/Exception.S

@@ -28,6 +28,7 @@
   this software.
 */
 
+#if defined(__AVR32__)
 #include <avr32/io.h>
 
 .section .exception_handlers, "ax", @progbits
@@ -123,3 +124,5 @@ Autovector_Table:
 	.word ((AVR32_INTC_INT0 + \Level) << AVR32_INTC_IPR_INTLEVEL_OFFSET) | (Exception_INT\Level - EVBA_Table)
 .endr
 // === END OF GENERAL INTERRUPT HANDLER OFFSET TABLE ===
+
+#endif

LUFA/Platform/UC3/InterruptManagement.c

@@ -28,6 +28,9 @@
   this software.
 */
 
+#include "../../Common/Common.h"
+#if (ARCH == ARCH_UC3)
+
 #define  __INCLUDE_FROM_INTMANAGEMENT_C
 #include "InterruptManagement.h"
 
@@ -62,3 +65,4 @@ void INTC_Init(void)
 	__builtin_mtsr(AVR32_EVBA, (uintptr_t)&EVBA_Table);
 }
 
+#endif