修改region相关：优化OsVmRegionSplit红黑树节点操作，修改OsVmRegionAdjust起始地址不在region时的行为，修复OsIsRegionCanExpand计算错误，更正几处typos

Fix unused function warning treated as error
when KERNEL_DYNLOAD option is switched off.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I21a01ff3d7ecb7b2e65bacbaa985c6390f5e4be7

HiSilicon-specific randomization routine for the __stack_chk_guard
should not be called for other platforms that don't implement
this function.
Fix build for targets that don't link with HiSi libraries when
stack smashing protector is enabled.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I1843c897b32991fddc3d0ba362d188c4a621d052

Currently disabling stack protector will cause build to fail.
This commit will fix that problem and allow to toggle feature
when needed.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: Iee8ccfdb9fce4ba69aa557e2ac915ddc45b2f21e

Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86

Reviewed-by:huangjieliang zhushengle