CubeMX code generates dts with compatible string set to "st,stm32mp151" and "st,stm32mp153" for stm32mp151 and stm32mp153 SOCs.
Blacklisting these platforms avoids the following dump at boot when stm32-cpufreq is loaded.

[    1.640541] sysfs: cannot create duplicate filename '/devices/platform/cpufreq-dt'
[    1.640564] CPU: 0 PID: 16 Comm: kworker/0:1 Not tainted 5.4.31-g33ca1c71a-dirty #8
[    1.640575] Hardware name: STM32 (Device Tree Support)
[    1.640602] Workqueue: events deferred_probe_work_func
[    1.640645] [<c01124dc>] (unwind_backtrace) from [<c010d784>] (show_stack+0x10/0x14)
[    1.640669] [<c010d784>] (show_stack) from [<c0b05f94>] (dump_stack+0xb0/0xc4)
[    1.640694] [<c0b05f94>] (dump_stack) from [<c034978c>] (sysfs_warn_dup+0x58/0x64)
[    1.640716] [<c034978c>] (sysfs_warn_dup) from [<c03498c8>] (sysfs_create_dir_ns+0xec/0xfc)
[    1.640737] [<c03498c8>] (sysfs_create_dir_ns) from [<c0b0b5e0>] (kobject_add_internal+0xb4/0x354)
[    1.640758] [<c0b0b5e0>] (kobject_add_internal) from [<c0b0b8dc>] (kobject_add+0x5c/0xc8)
[    1.640781] [<c0b0b8dc>] (kobject_add) from [<c066fad0>] (device_add+0x110/0x644)
[    1.640807] [<c066fad0>] (device_add) from [<c06766c0>] (platform_device_add+0x108/0x248)
[    1.640830] [<c06766c0>] (platform_device_add) from [<c0677270>] (platform_device_register_full+0xd0/0x110)
[    1.640854] [<c0677270>] (platform_device_register_full) from [<c08d0668>] (stm32_cpufreq_probe+0x1ac/0x1b8)
[    1.640876] [<c08d0668>] (stm32_cpufreq_probe) from [<c0676924>] (platform_drv_probe+0x48/0x98)
[    1.640898] [<c0676924>] (platform_drv_probe) from [<c0674440>] (really_probe+0x24c/0x488)
[    1.640918] [<c0674440>] (really_probe) from [<c0674844>] (driver_probe_device+0x78/0x154)
[    1.640938] [<c0674844>] (driver_probe_device) from [<c0672494>] (bus_for_each_drv+0x84/0xd0)
[    1.640958] [<c0672494>] (bus_for_each_drv) from [<c0674154>] (__device_attach+0xe0/0x178)
[    1.640978] [<c0674154>] (__device_attach) from [<c0673268>] (bus_probe_device+0x84/0x8c)
[    1.640998] [<c0673268>] (bus_probe_device) from [<c06737bc>] (deferred_probe_work_func+0x84/0xc4)
[    1.641019] [<c06737bc>] (deferred_probe_work_func) from [<c0142368>] (process_one_work+0x1dc/0x58c)
[    1.641038] [<c0142368>] (process_one_work) from [<c0142960>] (worker_thread+0x248/0x528)
[    1.641059] [<c0142960>] (worker_thread) from [<c01486c0>] (kthread+0x11c/0x144)
[    1.641081] [<c01486c0>] (kthread) from [<c01010e8>] (ret_from_fork+0x14/0x2c)
[    1.641093] Exception stack(0xd7175fb0 to 0xd7175ff8)
[    1.641109] 5fa0:                                     00000000 00000000 00000000 00000000
[    1.641127] 5fc0: 00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
[    1.641143] 5fe0: 00000000 00000000 00000000 00000000 00000013 00000000
[    1.641161] kobject_add_internal failed for cpufreq-dt with -EEXIST, don't try to register things with the same name in the same directory.