strict on the $BOOT_PATTERN to avoid fake guest test execution

[Test Components] tdx
[Test Types] any
[Supported Devices] spr,emr,gnr,srf

Signed-off-by: Hongyu Ning <[email protected]>

add new implementation of 4 tdx guest attestation related testcases

[Test Components] tdx
[Test Types] func
[Supported Devices] spr,emr,gnr,srf

Signed-off-by: Hongyu Ning <[email protected]>

add tdx_guest_attest compile tools prepare logic to support auto compile
in centos stream 9 or rhel 9 guest os

[Test Components] tdx
[Test Types] func
[Supported Devices] spr,emr,gnr,srf

Signed-off-by: Hongyu Ning <[email protected]>

improve test_launcher management logic to support well on $GCOV=on case
and several corner VM lifecycle management issues

[Test Components] tdx
[Test Types] any
[Supported Devices] spr,emr,gnr,srf

Signed-off-by: Hongyu Ning <[email protected]>

improve code logic based on code check hints

[Test Components] tdx
[Test Types] func
[Supported Devices] spr,emr,gnr,srf

Signed-off-by: Hongyu Ning <[email protected]>

use guest os installed kernel headers search path and remove previous
standalone header file to avoid kernel driver and selftest tool ioctl
conflictions

[Test Components] tdx
[Test Types] func
[Supported Devices] spr,emr,gnr,srf

Signed-off-by: Hongyu Ning <[email protected]>

all tab format unified to 2 spaces across all source code

[Test Components] tdx
[Test Types] func
[Supported Devices] spr,emr,gnr.srf

Signed-off-by: Hongyu Ning <[email protected]>