sh: include: convert to SPDX identifiers

Update license to use SPDX-License-Identifier instead of verbose license
text.

Link: http://lkml.kernel.org/r/87ftvccszx.wl-kuninori.morimoto.gx@renesas.com
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Reviewed-by: Simon Horman <horms+renesas@verge.net.au>
Cc: Rich Felker <dalias@libc.org>
Cc: Yoshinori Sato <ysato@users.sourceforge.jp>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Linus Torvalds <torvalds@linux-foundation.org>

arch/sh/include/uapi/asm/Kbuild

@@ -1,3 +1,4 @@
+# SPDX-License-Identifier: GPL-2.0
 # UAPI Header export list
 include include/uapi/asm-generic/Kbuild.asm
 

arch/sh/include/uapi/asm/setup.h

@@ -1 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/setup.h>

arch/sh/include/uapi/asm/types.h

@@ -1 +1,2 @@
+/* SPDX-License-Identifier: GPL-2.0 */
 #include <asm-generic/types.h>