fix nx external compiler error

sources/pvmp3dec/src/pvmp3_decode_huff_cw.cpp

@@ -139,7 +139,9 @@
 
 uint16 pvmp3_decode_huff_cw_tab0(tmp3Bits *pMainData)
 {
+#if (CC_PLATFORM != CC_PLATFORM_NX && CC_PLATFORM != CC_PLATFORM_NX_WINDOWS)
     OSCL_UNUSED_ARG(pMainData);
+#endif
     return(0);
 
 }

sources/tbb/machine/linux_ia64.h

@@ -21,7 +21,9 @@
 #define __TBB_machine_linux_ia64_H
 
 #include <stdint.h>
-#include <ia64intrin.h>
+#if (CC_PLATFORM != CC_PLATFORM_NX)
+    #include <ia64intrin.h>
+#endif
 
 #define __TBB_WORDSIZE 8
 #define __TBB_ENDIANNESS __TBB_ENDIAN_LITTLE

sources/tbb/tbb_machine.h

@@ -279,6 +279,12 @@ template<> struct atomic_selector<8> {
 
 #endif /* OS selection */
 
+#if (CC_PLATFORM == CC_PLATFORM_NX)
+    #include "machine/linux_ia64.h"
+    #include "pthread.h"
+    #define __TBB_Yield() sched_yield()
+#endif
+
 #ifndef __TBB_64BIT_ATOMICS
     #define __TBB_64BIT_ATOMICS 1
 #endif