armv8/fsl-layerscape: Update erratum A009635 implementation

Erratum A009635 is valid only for LS2080A SoC and its
personality. Add SoC svr check.

Signed-off-by: Priyanka Jain <priyanka.jain@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
1 file changed