drivers: usb: device: stm32: fix disabling the ULPI clock on STM32H7X
drivers: usb: device: stm32: fix disabling the ULPI clock on STM32H7X

The ULPI clock uses slightly different names on STM32H7X as those
SoC can have more than one USB controller.

Signed-off-by: Aurelien Jarno <bceb368e7f2cb351af47298f32034f0587bbe4a6@aurel32.net>

galak/zephyr,zephyrproject-rtos/zephyr,galak/zephyr,galak/zephyr,galak/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,galak/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr,zephyrproject-rtos/zephyr,finikorg/zephyr