llvmpipe: improvements to JIT assembly dump

Fix disassembly off-by-one instruction bug, add
Aarch64 support, add addresses to symbol names,
cleanup iostream usage.

Reviewed-by: Konstantin Seurer <konstantin.seurer@gmail.com>
Part-of: <https://gitlab.freedesktop.org/mesa/mesa/-/merge_requests/30626>

bin/perf-annotate-jit.py

@@ -104,7 +104,7 @@ def lookupMap(filename, matchSymbol):
 
 def lookupAsm(filename, desiredFunction):
     stream = open(filename + '.asm', 'rt')
-    while stream.readline() != desiredFunction + ':\n':
+    while not stream.readline().startswith(desiredFunction + ' '):
         pass
 
     asm = []