clk: Disable KUNIT_UML_PCI

clk: Disable KUNIT_UML_PCI

commit 031cdd3bc3f3 ("kunit: Enable PCI on UML without triggering WARN()")
enables KUNIT_UML_PCI, but clk driver could not work with it.
Deselect KUNIT_UML_PCI to avoid the failure. Dump as below:
WARNING: CPU: 0 PID: 227 at lib/logic_iomem.c:141 __raw_readl+0xac/0xe0
CPU: 0 UID: 0 PID: 227 Comm: kunit_try_catch Tainted: G
Tainted: [N]=TEST
Stack:
 a0883d00 00000001 00000000 ffffff00
 603ef142 60044832 6002598b 00000000
 00000000 600211b3 00000001 00000000
Call Trace:
 [<6032534c>] ? __raw_readl+0xac/0xe0
 [<60044832>] ? dump_stack_lvl+0x57/0x73
 [<6002598b>] ? _printk+0x0/0x61
 [<600211b3>] ? __warn.cold+0x61/0xeb
 [<600212cc>] ? warn_slowpath_fmt+0x8f/0x9c
 [<6002123d>] ? warn_slowpath_fmt+0x0/0x9c
 [<6032534c>] ? __raw_readl+0xac/0xe0
 [<6002123d>] ? warn_slowpath_fmt+0x0/0x9c
 [<6029e2ad>] ? clk_gate_endisable+0xcd/0x110
 [<6029e315>] ? clk_gate_enable+0x15/0x20
 [<6028795e>] ? clk_core_enable+0x6e/0xf0
 [<60289f1f>] ? clk_enable+0x4f/0xa0
 [<602a06af>] ? clk_gate_test_enable+0xbf/0x360
 [<60053df9>] ? os_nsecs+0x29/0x40
 [<600cd300>] ? ktime_get_ts64+0x0/0x130
 [<600816c0>] ? to_kthread+0x0/0x50
 [<602507bb>] ? kunit_try_run_case+0x7b/0x100
 [<600816c0>] ? to_kthread+0x0/0x50
 [<60252aa0>] ? kunit_generic_run_threadfn_adapter+0x0/0x30
 [<60252ab2>] ? kunit_generic_run_threadfn_adapter+0x12/0x30
 [<60082091>] ? kthread+0xf1/0x270
 [<60047591>] ? new_thread_handler+0x41/0x60
---[ end trace 0000000000000000 ]---

Reviewed-by: Thomas Weißschuh <thomas.weissschuh@linutronix.de>
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Signed-off-by: Stephen Boyd <sboyd@kernel.org>