ARM: restart: netx: use new restart hook

Hook these platforms restart code into the new restart hook rather
than using arch_reset().

Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>

arch/arm/mach-netx/generic.c

@@ -187,3 +187,8 @@ static int __init netx_init(void)
 
 subsys_initcall(netx_init);
 
+void netx_restart(char mode, const char *cmd)
+{
+	writel(NETX_SYSTEM_RES_CR_FIRMW_RES_EN | NETX_SYSTEM_RES_CR_FIRMW_RES,
+	       NETX_SYSTEM_RES_CR);
+}