feat: Add /dev/quickstart to support synchronous communication between processes in user mode startup.

Add /dev/quickstart to support synchronous communication between processes in user mode startup.
Support ioctl cmd:
 QUICKSTART_LISTEN,QUICKSTART_STAGE1,QUICKSTART_STAGE2,QUICKSTART_STAGE3,QUICKSTART_UNREGISTER only for init process;
 QUICKSTART_NOTIFY for other app process.

Close #I3OHO5

Change-Id: If6a56123be93a5bc6b6d1069abda8d872b15fae1

Change-Id: I052d930d54e63179b17b77f02c107a015f3cfc3f

Change-Id: Ie48b96fe9c8ab036d7234b56a169d6668171a895

Change-Id: I6f7c469e96da9cc89c5c33bf7a9afe19625e175f

Keep flag enabled for HiSi cameras whereas
LTO will be disabled for Qemu as a workaround.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: Iad7295d108dfea0928537281f87eb46836ee6681

Change "vendor" to "device" where the latest
version of MR puts stuff related to Qemu ARM Virt.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>

Update only those configuration files that are used
during build (clang and clang+debug).
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I5639b0074e8c4e0fef4e21d9f3b8c1582bb038d5

Minimal system configuration for Qemu ARM Virtual platform
based on Cortex-A7, with GICv2.

Some debugging options are enabled to allow for shell bring-up,
hence debug configuration type.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: Ifa01cd44733fd0154044013f45772d178e19e78e

Mainly adding missing headers, removing redundant headers that
induce undefined symbols or rearranging existing headers
according to dependencies betheen them.
Also add missing include paths to makefiles and make configs.

Note: direct inclusion of pthread.h in disk.h is caused by the
latter being used almost everywhere, including third_party libraries.
Putting pthread.h there releases us from affecting more code.

Basically fixes build for anything that is not default HiSi
configuration.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: Icdcb0874d9fed34d01fa282d33bd2e041c2ac436

Disable LTO to avoid undefined __stack_chk_guard symbol
problem. "externally_visible" attribute could be a fix for
that but it is not known to our LLVM.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I39e0ccaee5897c696a7a9a235e433cf9113853ce

Remove some dependencies on HiSilicon and add new platform to build.
Signed-off-by: NZbigniew Bodek <zbigniew.bodek@huawei.com>
Change-Id: I8504bcc9a1bf1756e1e20694986d7774156f8b8e

Change-Id: Ia6c1f6302407a707b3ec9b805f4c92d8a7970b86