更新xiaozhi工程中音频使用标准audio设备

添加fal适配+规范link.ld脚本+补充fal+filesystem实现

Author: Rbb666

libraries/components/littlefs/.gitattributes

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+# GitHub really wants to mark littlefs as a python project, telling it to
+# reclassify our test .toml files as C code (which they are 95% of anyways)
+# remedies this
+*.toml linguist-language=c

libraries/components/littlefs/.gitignore

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+# Compilation output
+*.o
+*.d
+*.a
+*.ci
+*.csv
+*.t.*
+*.b.*
+*.gcno
+*.gcda
+*.perf
+lfs
+liblfs.a
+
+# Testing things
+runners/test_runner
+runners/bench_runner
+lfs.code.csv
+lfs.data.csv
+lfs.stack.csv
+lfs.structs.csv
+lfs.cov.csv
+lfs.perf.csv
+lfs.perfbd.csv
+lfs.test.csv
+lfs.bench.csv
+
+# Misc
+tags
+.gdb_history
+scripts/__pycache__
+
+# Historical, probably should remove at some point
+tests/*.toml.*

libraries/components/littlefs/DESIGN.md

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+Copyright (c) 2022, The littlefs authors.  
+Copyright (c) 2017, Arm Limited. All rights reserved.
+
+Redistribution and use in source and binary forms, with or without modification,
+are permitted provided that the following conditions are met:
+
+-  Redistributions of source code must retain the above copyright notice, this
+   list of conditions and the following disclaimer.
+-  Redistributions in binary form must reproduce the above copyright notice, this
+   list of conditions and the following disclaimer in the documentation and/or
+   other materials provided with the distribution.
+-  Neither the name of ARM nor the names of its contributors may be used to
+   endorse or promote products derived from this software without specific prior
+   written permission.
+
+THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
+ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
+ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
+ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
+(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
+SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.