Merge pull request !861 from zhangdengyu/supportEDF0404

方案描述：
1、liteos_a调i度框架支持EDF调度算法，默认优先调度EDF策略的任务
2、用户态musl_c库适配新增调度算法，同步修改相关接口以支持用户态创建EDF进程与线程

BREAKING CHANGE:
support EDF对外变更描述：
以下接口支持SCHED_DEADLINE调度策略:
pthread_attr_getschedparam
pthread_attr_setschedparam
pthread_getschedparam
pthread_setschedparam
pthread_create
sched_getscheduler
sched_getparam
sched_setparam
sched_setscheduler

Close：#I6T3P3
Signed-off-by: Nzhangdengyu <zhangdengyu2@huawei.com>
Change-Id: I1ceefc2fdfaecac7a93e5306da629756f9385f84

Merge pull request !855 from fix_libc-test-build-error

Merge pull request !849 from yinchuang/optimize_musl_linker_ram

Issue:I6SL6I
Signed-off-by: Nyinchuang <yinchuang@huawei.com>

Merge pull request !829 from dhy308/release_sigchain_0225

Merge pull request !826 from dhy308/release_tdd_0221

Merge pull request !844 from zhengweiwei/master

Merge pull request !848 from mwx1087526/fix_test_dcngettext

Modify runtest_Windows.bat to push test_dcngettext.mo to '/tmp';
Create /etc/shadow for getspnam_r;
Cancel 6 test shield and add 2 new.

Issue: I6L8HT
Test: Pass: 1156/1160
Signed-off-by: Nmaweiye <maweiye@huawei.com>

Merge pull request !856 from mwx1087526/fix-math

Not check FE status on aarch64

Issue: https://gitee.com/openharmony/third_party_musl/issues/I6QQOO
Test: 20 math tests passed on aarch64
Signed-off-by: Nmaweiye <maweiye@huawei.com>

    Issue: I6HRVC
    Test: Build & Boot Devices
Signed-off-by: Ndhy308 <tony.gan@huawei.com>

Merge pull request !853 from 卢韬/master

Fix version-script in libc-test
Issue: #I6ID6E
Test: xts pass
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>
Change-Id: I133b659dba3d320107ec5d0a6c05faf15ad1a14d

满足合入条件、但并发量过大；需要手动合入！

Merge pull request !854 from liwentao/netsys_default

Description: netsys should be enough to determine the network status and default dns is setting by the product instead of libc

Issue: https://gitee.com/openharmony/third_party_musl/issues/I6PCEM?from=project-issue
Test: libc-test pass
Signed-off-by: Nliwentao <liwentao20@huawei.com>

Change-Id: I39bdb98929bbc36b69c2b12f5bf2532be2aa3fe8

Issue: I6NO46

Test: Pass: 1146/1156
Signed-off-by: Nlutao <lutao31@huawei.com>

Issue: #I6LPWU
Signed-off-by: Nguzhihao4 <guzhihao4@huawei.com>
Change-Id: I20304b40ec968261ab9f6ed722327bded44dd012

Merge pull request !850 from liyufan/master

Merge pull request !851 from dhy308/delete_math_x86_64_remquol

Merge pull request !847 from liweihui/master

Merge pull request !825 from wangchen/0217

    Issue: I6KW5Z
    Test: Build & Boot Devices
Signed-off-by: Ndhy308 <tony.gan@huawei.com>

Issue：I6L2A1
Test：no new error reported in libc-test
Signed-off-by: NL_WeiHui <liweihui3@huawei.com>

Issue：I6L2A1
Test：no new error reported in libc-test
Signed-off-by: NL_WeiHui <liweihui3@huawei.com>

Fix codecheck warning for building

Issue:#I6EAWP
Test: Build & Boot devices
Signed-off-by: Nliyufan <liyufan5@huawei.com>

Merge pull request !846 from dhy308/adjust_musl_upgrade_directory

Merge pull request !812 from 卢韬/master

    Delete temp folder musl_1.2.3 and merge tag v1.2.3 from git.musl-libc.org
    Delete folder porting/L1_linux and use oldmalloc for L1 linux
    Delete no modify files form porting/linux

    Issue: I6KW5Z
    Test: Build & Boot Devices
Signed-off-by: Ndhy308 <tony.gan@huawei.com>

Signed-off-by: Nliweihui <liweihui3@huawei.com>

Merge pull request !835 from dhy308/add_hook_calloc

Description: Control coverage instrumentation through the existing switch macro use_clang_coverage

Issue: I6K6H8
Test: rk3568 compilation verification
Signed-off-by: Nzhengweiwei <zhengweiwei7@huawei.com>

Merge pull request !836 from wangchen/0228_malloc

Merge pull request !841 from zhangdengyu/muslUpdate0303

Merge pull request !833 from wangchen/0228

Close：#I6J7QK
Signed-off-by: Nzhangdengyu <zhangdengyu2@huawei.com>
Change-Id: I831750a1f5c945b55d6d48ea9ee14b4f57932d63

Merge pull request !838 from b班的Mark/master

Close #I6I6M9
Signed-off-by: Nwangchen <wangchen240@huawei.com>