kunit: qemu_configs: Add 64-bit SPARC configuration

Add a basic config to run kunit tests on 64-bit SPARC.

Link: https://lore.kernel.org/r/20250415-kunit-qemu-sparc64-v1-2-253906f61102@linutronix.de
Signed-off-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Reviewed-by: David Gow <davidgow@google.com>
Signed-off-by: Shuah Khan <skhan@linuxfoundation.org>

Author: t-8ch

tools/testing/kunit/qemu_configs/sparc64.py

@@ -0,0 +1,16 @@
+# SPDX-License-Identifier: GPL-2.0
+
+from ..qemu_config import QemuArchParams
+
+QEMU_ARCH = QemuArchParams(linux_arch='sparc',
+			   kconfig='''
+CONFIG_64BIT=y
+CONFIG_SPARC64=y
+CONFIG_PCI=y
+CONFIG_SERIAL_SUNSU=y
+CONFIG_SERIAL_SUNSU_CONSOLE=y
+''',
+			   qemu_arch='sparc64',
+			   kernel_path='arch/sparc/boot/image',
+			   kernel_command_line='console=ttyS0 kunit_shutdown=poweroff',
+			   extra_qemu_params=[])