2.1.18k:
 - Relicence from dual BSD/GPL to pure GPL
 - Add my copyright to various files
 - Remove unnecessary MDELAY calls after printfs
 - Rename remaining MDELAY() to mdelay(), delete MDELAY and sym_mdelay
   macros
 - Restructure PCI initialisation to not disable chips that are part
   of Mylex RAID cards.
 - Make SYM_OPT_NVRAM_PRE_READ non-optional.
Signed-off-by: James Bottomley <James.Bottomley@SteelEye.com>