Revert "ARM: 7493/1: use generic unaligned.h"

This reverts commit ca3d26d.

The commit was causing unexpected reboots / hangs probably because of
use of Linaro GCC 4.9 or the other optimizations previously applied
to this custom kernel.

arch/arm/include/asm/Kbuild

@@ -19,4 +19,3 @@ generic-y += sections.h
 generic-y += siginfo.h
 generic-y += simd.h
 generic-y += sizes.h
-generic-y += unaligned.h

arch/arm/include/asm/unaligned.h

@@ -0,0 +1,19 @@
+#ifndef _ASM_ARM_UNALIGNED_H
+#define _ASM_ARM_UNALIGNED_H
+
+#include <linux/unaligned/le_byteshift.h>
+#include <linux/unaligned/be_byteshift.h>
+#include <linux/unaligned/generic.h>
+
+/*
+ * Select endianness
+ */
+#ifndef __ARMEB__
+#define get_unaligned	__get_unaligned_le
+#define put_unaligned	__put_unaligned_le
+#else
+#define get_unaligned	__get_unaligned_be
+#define put_unaligned	__put_unaligned_be
+#endif
+
+#endif /* _ASM_ARM_UNALIGNED_H */