powerpc/ppc4xx: Convert new gdsys files to SPDX license tags

Signed-off-by: Tom Rini <trini@ti.com>

Merge branch 'master' of git://www.denx.de/git/u-boot-ppc4xx

powerpc/ppc4xx: Use generic accessor functions for gdsys FPGA

A set of accessor functions was added to be able to access not only
memory mapped FPGA in a generic way.

Thanks to Wolfgang Denk for ge

powerpc/ppc4xx: Use generic accessor functions for gdsys FPGA

A set of accessor functions was added to be able to access not only
memory mapped FPGA in a generic way.

Thanks to Wolfgang Denk for getting this sorted properly.

Signed-off-by: Dirk Eibach <dirk.eibach@gdsys.cc>
Signed-off-by: Stefan Roese <sr@denx.de>

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