sh: use asm-generic/unaligned.h

Sh essentially duplicates the content of asm-generic/unaligned.h, so use
that file directly instead.

Signed-off-by: Jens Wiklander <jens.wiklander@linaro.org>
Reviewed-by: Ilias Apalodimas <ilias.apalodimas@linaro.org>
diff --git a/arch/sh/include/asm/unaligned.h b/arch/sh/include/asm/unaligned.h
index 5acf081..7fb482a 100644
--- a/arch/sh/include/asm/unaligned.h
+++ b/arch/sh/include/asm/unaligned.h
@@ -1,20 +1,2 @@
-#ifndef _ASM_SH_UNALIGNED_H
-#define _ASM_SH_UNALIGNED_H
-
-/* Copy from linux-kernel. */
-
-/* Other than SH4A, SH can't handle unaligned accesses. */
-#include <linux/compiler.h>
-#if defined(__BIG_ENDIAN__)
-#define get_unaligned   __get_unaligned_be
-#define put_unaligned   __put_unaligned_be
-#elif defined(__LITTLE_ENDIAN__)
-#define get_unaligned   __get_unaligned_le
-#define put_unaligned   __put_unaligned_le
-#endif
-
-#include <linux/unaligned/le_byteshift.h>
-#include <linux/unaligned/be_byteshift.h>
-#include <linux/unaligned/generic.h>
-
-#endif /* _ASM_SH_UNALIGNED_H */
+/* SPDX-License-Identifier: GPL-2.0 */
+#include <asm-generic/unaligned.h>