ARM: Fix nommu booting

Commit bf35706f ("ARM: 8314/1: replace PROCINFO embedded branch with
relative offset") broke booting on nommu platforms as it didn't update
the nommu boot code.  This patch fixes that oversight.

Fixes: bf35706f ("ARM: 8314/1: replace PROCINFO embedded branch with relative offset")
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>