Cleanup: Remove custom flash driver for 8 bit boot-eprom and replace it with
the FLASH_CFI_LEGACY et al. config options.
Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>
- Moved some common code to netstal/common/nm_bsp.c.
- sdram initialisation goes go netstal/common/fixed_sdram.c.
- Added support for POST.
- Stylistic cleanups (multi-line comments/ enforce 80 colomn width)
Signed-off-by: Niklaus Giger <niklaus.giger@netstal.com>