Davinci: serial - conditional reset via pwremu

With this patch, AR7 type uart ports are not reset via pwremu registers.  This
allows davinci_serial_init() reuse on tnetv107x soc.
Signed-off-by: NCyril Chemparathy <cyril@ti.com>
Signed-off-by: NKevin Hilman <khilman@deeprootsystems.com>

arch/arm/mach-davinci/serial.c

@@ -107,7 +107,7 @@ int __init davinci_serial_init(struct davinci_uart_config *info)
 				pr_err("uart regs ioremap failed\n");
 		}
 
-		if (p->membase)
+		if (p->membase && p->type != PORT_AR7)
 			davinci_serial_reset(p);
 	}