uboot-imx

MLK-18243-10 arm: imx8m: soc: enable SCTR clock before timer init

To i.MX8MM SCTR clock is disabled by ROM, so before timer init
need to enable it.
To i.MX8MQ, it does not hurt the clock is enabled again.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
(cherry picked from commit 2347541e9e79f833716fe88f7de860b5704b5e48)
(cherry picked from commit f5cfd600cfa58d4a768e94c29aaa890fd39a2d63)