nxp: imx8ulp: correct value of `CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC`

The core clock of 8ULP's HIFI4 DSP runs at 475.2MHz. As such,
correct the value of `CONFIG_SYS_CLOCK_HW_CYCLES_PER_SEC` to
reflect this.

Signed-off-by: Laurentiu Mihalcea <laurentiu.mihalcea@nxp.com>
1 file changed