irqchip/hisi: Use the correct HiSilicon copyright

s/Hisilicon/HiSilicon/
It should use capital S, according to
https://www.hisilicon.com/en/terms-of-use.

Signed-off-by: Hao Fang <[e-mail]>
Signed-off-by: Marc Zyngier <[e-mail]>
Link: https://lore.kernel.org/r/[e-mail]

drivers/irqchip/irq-hip04.c

···
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Hisilicon HiP04 INTC
+ * HiSilicon HiP04 INTC
  *
  * Copyright (C) 2002-2014 ARM Limited.
- * Copyright (c) 2013-2014 Hisilicon Ltd.
+ * Copyright (c) 2013-2014 HiSilicon Ltd.
  * Copyright (c) 2013-2014 Linaro Ltd.
  *
  * Interrupt architecture for the HIP04 INTC:

drivers/irqchip/irq-mbigen.c

···
 // SPDX-License-Identifier: GPL-2.0-only
 /*
- * Copyright (C) 2015 Hisilicon Limited, All Rights Reserved.
+ * Copyright (C) 2015 HiSilicon Limited, All Rights Reserved.
  * Author: Jun Ma <[e-mail]>
  * Author: Yun Wu <[e-mail]>
  */
···
 MODULE_AUTHOR("Jun Ma <[e-mail]>");
 MODULE_AUTHOR("Yun Wu <[e-mail]>");
 MODULE_LICENSE("GPL");
-MODULE_DESCRIPTION("Hisilicon MBI Generator driver");
+MODULE_DESCRIPTION("HiSilicon MBI Generator driver");