x86: coding style fixes to arch/x86/kernel/bios_uv.c

paolo@paolo-desktop:~/linux.trees.git$ md5sum /tmp/bios_uv.o.*
9afe794594831166704744184e192ed8  /tmp/bios_uv.o.after
9afe794594831166704744184e192ed8  /tmp/bios_uv.o.before
Signed-off-by: NPaolo Ciarrocchi <paolo.ciarrocchi@gmail.com>
Signed-off-by: NIngo Molnar <mingo@elte.hu>