Commit d97da568 authored by Fugang Duan's avatar Fugang Duan Committed by Nitin Garg
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MLK-10225-1 tty: serial: imx: don't restore UBRC register 



For i.MX7D, write the read-only register UBRC that causes unhandled fault.
Log:
Unhandled fault: imprecise external abort (0x1c06) at 0x76efd0ac
Bus error

For read-only registers, we don't need to restore it.

Signed-off-by: default avatarFugang Duan <B38611@freescale.com>
(cherry picked from commit: 798f196501233449ce77fc35b26e76dcc6d9a730)
parent 89acf069
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