minkipc: Update tag to v1.2.1 to add support for PKCS#11

[harshaldev27]

Updated minkipc tag to v1.2.1 which brings support for PKCS#11 on Qualcomm platforms with QTEE support.
The support is provided through git submodules for optee-client and optee-test repos added to minkipc.

[ricardosalveti]

Some issues:

WARNING: minkipc-1.2.1-r0 do_fetch: Submodule included by gitsm://github.com/qualcomm/minkipc.git;branch=main;protocol=https;tag=v1.2.1 refers to relative ssh reference git@github.com:OP-TEE/optee_client.git.  References may fail if not absolute.
WARNING: minkipc-1.2.1-r0 do_fetch: Submodule included by gitsm://github.com/qualcomm/minkipc.git;branch=main;protocol=https;tag=v1.2.1 refers to relative ssh reference git@github.com:OP-TEE/optee_test.git.  References may fail if not absolute.
WARNING: minkipc-1.2.1-r0 do_fetch: Submodule included by gitsm://github.com/qualcomm/minkipc.git;branch=main;protocol=https;tag=v1.2.1 refers to relative ssh reference git@github.com:OP-TEE/optee_client.git.  References may fail if not absolute.
WARNING: minkipc-1.2.1-r0 do_fetch: Submodule included by gitsm://github.com/qualcomm/minkipc.git;branch=main;protocol=https;tag=v1.2.1 refers to relative ssh reference git@github.com:OP-TEE/optee_test.git.  References may fail if not absolute.
WARNING: minkipc-1.2.1-r0 do_unpack: Submodule included by gitsm://github.com/qualcomm/minkipc.git;branch=main;protocol=https;tag=v1.2.1 refers to relative ssh reference git@github.com:OP-TEE/optee_client.git.  References may fail if not absolute.
WARNING: minkipc-1.2.1-r0 do_unpack: Submodule included by gitsm://github.com/qualcomm/minkipc.git;branch=main;protocol=https;tag=v1.2.1 refers to relative ssh reference git@github.com:OP-TEE/optee_test.git.  References may fail if not absolute.

You are now installing components of the optee upstream project, make sure this is reflected in the LICENSE description as well.

Also, you should either include as a static library or rename the dynamic library as it will conflict with the same ones provided by optee_client, see the build failure https://github.com/qualcomm-linux/meta-qcom/actions/runs/22800268333/job/66143198461?pr=1707 (path conflict).

image/usr/lib/libckteec.so
image/usr/lib/libckteec.so.0
image/usr/lib/libckteec.so.0.1.0
image/usr/bin/xtest

For xtest, make it specific to this recipe as well.