powerpc/ppc4xx: Make gdsys 405ep boards reset more generic

In order to add boards that have different hardware for fpga reset,
any 405ep gdsys board now provides these functions:

void gd405ep_init(void);
void gd405ep_set_fpga_reset(unsigned state);
void gd405ep_setup_hw(void);
int gd405ep_get_fpga_done(unsigned fpga);

Signed-off-by: Dirk Eibach <eibach@gdsys.de>
Cc: Stefan Roese <sr@denx.de>
Signed-off-by: Stefan Roese <sr@denx.de>
diff --git a/boards.cfg b/boards.cfg
index 3cf75c3..24c5879 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -982,7 +982,7 @@
 io                           powerpc     ppc4xx      405ep               gdsys
 io64                         powerpc     ppc4xx      405ex               gdsys
 iocon                        powerpc     ppc4xx      405ep               gdsys
-neo                          powerpc     ppc4xx      -                   gdsys
+neo                          powerpc     ppc4xx      405ep               gdsys
 icon                         powerpc     ppc4xx      -                   mosaixtech
 MIP405                       powerpc     ppc4xx      mip405              mpl
 MIP405T                      powerpc     ppc4xx      mip405              mpl            -           MIP405:MIP405T