tree 67d61f58a6cb3ea45b251b80d7b42fd0c71a7f99
parent 6e3a380aaeb0eec946a0437266825823d5fb9f6e
author Ye Li <ye.li@nxp.com> 1539756757 -0700
committer Stefano Babic <sbabic@denx.de> 1588333581 +0200

imx8mm: Update CPU speed grading

According to iMX8MM datasheet (IMX8MMIEC_Rev_D and IMX8MMCEC_Rev_D),
the speed grading for imx8mm is 800Mhz, 1.2Ghz, 1.6Ghz and 1.8Ghz.
Update them to get_cpu_speed_grade_hz function.

Signed-off-by: Ye Li <ye.li@nxp.com>
Reviewed-by: Fabio Estevam <festevam@gmail.com>
Reviewed-by: Peng Fan <peng.fan@nxp.com>