Rename and move handwritten asm files (#1254)

* Rename handwritten asm files and move them to src

* Fix progress.py

* Remove handling for asm dir from Makefile

src/libultra/mgu/normalize.s

@@ -0,0 +1,31 @@
+#include "ultra64/asm.h"
+
+.set noreorder
+
+.section .text
+
+.balign 32
+
+LEAF(guNormalize)
+    lwc1    $f4, ($a0)
+    lwc1    $f6, ($a1)
+    lwc1    $f8, ($a2)
+    mul.s   $f10, $f4, $f4
+    li      $t0, 0x3F800000 // 1.0f
+    mul.s   $f16, $f6, $f6
+    add.s   $f18, $f10, $f16
+    mul.s   $f16, $f8, $f8
+    add.s   $f10, $f16, $f18
+    mtc1    $t0, $f18
+    sqrt.s  $f16, $f10
+    div.s   $f10, $f18, $f16
+    mul.s   $f16, $f4, $f10
+    nop
+    mul.s   $f18, $f6, $f10
+    nop
+    mul.s   $f4, $f8, $f10
+    swc1    $f16, ($a0)
+    swc1    $f18, ($a1)
+    jr      $ra
+     swc1   $f4, ($a2)
+END(guNormalize)