decomp some small files, do some cleanup (#42)

* remove leftover asm: JSUList.s

* d_save_init: decomp

* JMath/random: decomp

* J3DUDL: fixup label

* JAUClusterSound: decomp

* c_API_controller_pad: decomp, elaborate globals/types

* clang-format

* don't add guards to functions.h

* semantic merge of m_cpadInfo stuff

* fix undef symbols

Co-authored-by: Pheenoh <pheenoh@gmail.com>

libs/JSystem/JAudio2/JAUClusterSound.cpp

@@ -1 +1,5 @@
-// ok
+#include "JSystem/JAudio2/JAUClusterSound/JAUClusterSound.h"
+
+JAISoundHandle::JAISoundHandle() {
+    this->unk = NULL;
+}

libs/JSystem/JMath/random.cpp

@@ -1 +1,5 @@
-// ok
+#include "JSystem/JMath/random.h"
+
+JMath::TRandom_fast_::TRandom_fast_(u32 value) {
+    this->value = value;
+}