ARM: restart: allow platforms more flexibility specifying restart mode

Change 'soft_reboot' into a more generic 'restart_mode' variable,
allowing the default restart mode to be specified.

Acked-by: Nicolas Pitre <nico@linaro.org>
Acked-by: Will Deacon <will.deacon@arm.com>
Acked-by: H Hartley Sweeten <hsweeten@visionengravers.com>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
diff --git a/arch/arm/mach-ebsa110/core.c b/arch/arm/mach-ebsa110/core.c
index d0ce8ab..ce3ed24 100644
--- a/arch/arm/mach-ebsa110/core.c
+++ b/arch/arm/mach-ebsa110/core.c
@@ -283,7 +283,7 @@
 	.atag_offset	= 0x400,
 	.reserve_lp0	= 1,
 	.reserve_lp2	= 1,
-	.soft_reboot	= 1,
+	.restart_mode	= 's',
 	.map_io		= ebsa110_map_io,
 	.init_irq	= ebsa110_init_irq,
 	.timer		= &ebsa110_timer,