tulip/de2104x: fix section usage, don't mix __init & __devinit:

Error: ./drivers/net/tulip/de2104x.o .text refers to 000000000000176d R_X86_64_PC32     .init.text+0xfffffffffffffffc
Error: ./drivers/net/tulip/de2104x.o .text refers to 0000000000001798 R_X86_64_PC32     .init.text+0xfffffffffffffffc
Signed-off-by: Randy Dunlap <rddunlap@osdl.org>
Signed-off-by: Jeff Garzik <jgarzik@pobox.com>