remove asm/atomic.h

For historic resons, we carry old atomic operations support in
liblitmus. This is no longer useful:
1) There is actually no client for these calls in liblitmus.
2) There is now a standard gcc API for this purpose.

	http://gcc.gnu.org/onlinedocs/gcc/Atomic-Builtins.html

Thus, we can reduce our maintenance burden.

1 files changed, 0 insertions, 9 deletions

diff --git a/arch/arm/include/asm/atomic.h b/arch/arm/include/asm/atomic.h
deleted file mode 100644
index 70dbf80..0000000
--- a/arch/arm/include/asm/atomic.h
+++ /dev/null
@@ -1,9 +0,0 @@
-#ifndef ASM_ATOMIC_H
-#define ASM_ATOMIC_H
-
-static inline void barrier(void)
-{
-        /* not yet implemented */
-}
-
-#endif