SPDX: Convert single license tags to Linux Kernel style

Fix license tags problem after apply patchs about
riscv: Enable efi_loader support.

Signed-off-by: Rick Chen <rick@andestech.com>
Signed-off-by: Rick Chen <rickchen36@gmail.com>
Cc: Greentime Hu <green.hu@gmail.com>

arch/riscv/include/asm/setjmp.h

@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) Copyright 2018 Alexander Graf <agraf@suse.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #ifndef _SETJMP_H_

arch/riscv/lib/crt0_riscv_efi.S

@@ -1,11 +1,10 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * crt0-efi-riscv.S - PE/COFF header for RISC-V EFI applications
  *
  * Copright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>
  * Copright (C) 2018 Alexander Graf <agraf@suse.de>
  *
- * SPDX-License-Identifier:     GPL-2.0+     BSD-2-Clause
- *
  * This file is inspired by arch/arm/lib/crt0_aarch64_efi.S
  */
 

arch/riscv/lib/elf_riscv32_efi.lds

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * U-Boot riscv32 EFI linker script
  *

arch/riscv/lib/elf_riscv64_efi.lds

@@ -1,3 +1,4 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * U-Boot riscv64 EFI linker script
  *

arch/riscv/lib/reloc_riscv_efi.c

@@ -1,3 +1,4 @@
+// SPDX-License-Identifier: GPL-2.0+
 /* reloc_riscv.c - position independent ELF shared object relocator
    Copyright (C) 2018 Alexander Graf <agraf@suse.de>
    Copyright (C) 2014 Linaro Ltd. <ard.biesheuvel@linaro.org>

arch/riscv/lib/setjmp.S

@@ -1,7 +1,6 @@
+/* SPDX-License-Identifier: GPL-2.0+ */
 /*
  * (C) 2018 Alexander Graf <agraf@suse.de>
- *
- * SPDX-License-Identifier:	GPL-2.0+
  */
 
 #include <config.h>