powerpc/83xx/km: MV88e6122 errata fix for 1.9V

Errata Fix: 1.9V Output from Internal 1.8V Regulator, acc.
MV-S300889-00D.pdf , clause 4.5

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
powerpc/83xx/km: make local functions and structs static

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>
Merge branch 'next' of git://git.denx.de/u-boot-mpc83xx
powerpc/83xx: remove staticness for qe_iop_conf_tab

commit a5510058 powerpc/83xx/km: make local functions and structs static

removed the staticness also from this struct. But this struct is needed
in arch/powerpc/cpu/mpc83xx/cpu_init.c and declared as extern.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
km/common: switch on CMD_GREPENV

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
powerpc/km: drop unused CONFIG_SYS_DTT_LOW_TEMP

This define is not used in u-boot code, we can drop this define safely.

Signed-off-by: Holger Brunck <holger.brunck@keymile.com>
km/scripts: fix ramfs

'actual_bank' is not used anymore, instead boot_bank is used.

Signed-off-by: Andreas Huber <andreas.huber@keymile.com>