[PATCH] amiga_floppy_init() in non-modular case

It used to be called directly, but that got lost in 2.1.87-pre1.
Similar breakage in ataflop got fixed 3 years ago, this one
had gone unnoticed.

Signed-off-by: Al Viro <viro@zeniv.linux.org.uk>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>