修复社区反馈问题Percpu结构体注释错误，排查下其他拼写错误。

close #I4GMLH
Signed-off-by: Nkenneth <zhushangyuan@huawei.com>

Change-Id: I052d930d54e63179b17b77f02c107a015f3cfc3f

Improve style of the ifdef in OsShellSourceInit().
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I733423ce7e0d923702ea62f9e319a92525ebe161

For some reason more brackets is worse than no brackets
and warning is generated that is threated as error.
Therefore remove brackets to fix the build when
LOSCFG_PLATFORM_ROOTFS is defined
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I610a5893217039a36d894641c54a83ff4d4b7822

If the platform doesn't support rootfs but shell and serial
console are enabled, create Shell task in kernel.
Note that normally, shell task is created by /bin/init.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: If3bf55313d897569b59902b07eaa042eee71a8df

Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86