Replace <compiler.h> with <linux/compiler.h>

Including <linux/compiler.h> is enough for general use.

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>
diff --git a/lib/zlib/zlib.h b/lib/zlib/zlib.h
index 556be32..af3703e 100644
--- a/lib/zlib/zlib.h
+++ b/lib/zlib/zlib.h
@@ -3,7 +3,7 @@
 #define __GLUE_ZLIB_H__
 
 #include <common.h>
-#include <compiler.h>
+#include <linux/compiler.h>
 #include <asm/unaligned.h>
 #include <watchdog.h>
 #include "u-boot/zlib.h"