arm64: zynqmp: Assign TSU clock frequency for KR260

Set TSU clock frequency as 250MHz (minimum when running at 1G) on
KR260 CC to allow PTP functionality.

Signed-off-by: Harini Katakam <harini.katakam@amd.com>
Signed-off-by: Michal Simek <michal.simek@amd.com>
Link: https://lore.kernel.org/r/d065b5c2c6450910bf57d104d65946111493caaa.1688992653.git.michal.simek@amd.com
3 files changed