[V2, 2/6] tty: serial: lpuart: add little endian 32 bit register support

[Nikita Yushchenko]

>  static u32 lpuart32_read(void __iomem *addr)
>  {
> -	return ioread32be(addr);
> +	return lpuart_is_be ? ioread32be(addr) : readl(addr);
>  }
>  
>  static void lpuart32_write(u32 val, void __iomem *addr)
>  {
> -	iowrite32be(val, addr);
> +	if (lpuart_is_be)
> +		iowrite32be(val, addr);
> +	else
> +		writel(val, addr);
>  }

What if this is ever executed on big endian system?