code-coverage: Modify regex for assembly line capture

Due to a change of toolchain, the assembly lines cannot be
captured in blocks. This change is backward compatible with
the other toolchains.

Signed-off-by: Saul Romero <saul.romero@arm.com>
diff --git a/coverage-tool/coverage-reporting/intermediate_layer.py b/coverage-tool/coverage-reporting/intermediate_layer.py
index 2cb1a81..b565236 100644
--- a/coverage-tool/coverage-reporting/intermediate_layer.py
+++ b/coverage-tool/coverage-reporting/intermediate_layer.py
@@ -436,7 +436,7 @@
             :param asm_code: Lines of assembly code within the dump
             :return: AssemblyLine object.
             """
-            lines = re.findall(r"^\s+([a-fA-F0-9]+):\t(.+?)\n", asm_code,
+            lines = re.findall(r"^(?:\s+)?([a-fA-F0-9]+):\t(.+?)\n", asm_code,
                                re.DOTALL | re.MULTILINE)
             for line in lines:
                 if len(line) != 2:
@@ -648,8 +648,8 @@
         command = "%s -Sl %s | tee %s" % (OBJDUMP, elf_filename,
                                           elf_filename.replace(".elf", ".dump"))
         dump = os_command(command, show_command=True)
-        # with open(elf_filename.replace(".elf", ".dump"), "r") as f:
-        #    dump = f.read()
+        with open(elf_filename.replace(".elf", ".dump"), "r") as f:
+            dump = f.read()
         dump += "\n\n"  # For pattern matching the last function
         logger.info(f"Parsing assembly file {elf_filename}")
         elf_name = os.path.splitext(os.path.basename(elf_filename))[0]