tree 348b8009141fb48a5669d8af345bc9ca52932dc7
parent 0e65bb8f4f4e69a09576b04575b39082c017effd
author Leonid Lobachev <leonidl@google.com> 1553720522 -0700
committer June Tate-Gans <jtgans@google.com> 1553815519 -0700

MLK-19433-2 imx8mq: Get chip rev for B1 revision

The mscale B1 uses OCOTP_HW_OCOTP_READ_FUSE_DATA register for chip id.
It returns a magic number 0xff0055aa.
Update get_cpu_rev to support this way, also enable OCOTP clock to allow
access OCOTP register.

Signed-off-by: Ye Li <ye.li@nxp.com>
(cherry picked from commit 866631c2140b9352c6f74ec36d1a51fea40c0445)

Change-Id: I0804a80b2f8583e7ce0abbd6a3605abeaf023b83