mfd/vexpress: vexpress_sysreg_setup must not be __init

The patch 52666298 'mfd: vexpress-sysreg: Don't skip initialization
on probe' adds a call to vexpress_sysreg_setup from a non-__init
function, so this also has to lose its __init annotation.
Signed-off-by: Arnd Bergmann <arnd@arndb.de>
Cc: Pawel Moll <pawel.moll@arm.com>
Cc: arm@kernel.org
Signed-off-by: Olof Johansson <olof@lixom.net>

drivers/mfd/vexpress-sysreg.c

@@ -313,7 +313,7 @@ static void vexpress_sysreg_config_complete(unsigned long data)
 }
 
 
-void __init vexpress_sysreg_setup(struct device_node *node)
+void vexpress_sysreg_setup(struct device_node *node)
 {
 	if (WARN_ON(!vexpress_sysreg_base))
 		return;