[PATCH] ppc64: whitespace cleanup in prom.c

This patch, originally from Linas Vepstas, cleans up some wonky indentation
and other formatting issues in arch/ppc64/kernel/prom.c.  It does not change
any actual code.
Signed-off-by: Linas Vepstas <linas@linas.org>
Signed-off-by: Paul Mackerras <paulus@samba.org>
Signed-off-by: Andrew Morton <akpm@osdl.org>
Signed-off-by: Linus Torvalds <torvalds@osdl.org>