Add an empty definition for __iomem so that kernel headers that use
__iomem can be imported into tools/include/ with less modifications.

Acked-by: Shuah Khan <skhan@linuxfoundation.org>
Signed-off-by: David Matlack <dmatlack@google.com>
---
 tools/include/linux/compiler.h | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/tools/include/linux/compiler.h b/tools/include/linux/compiler.h
index 33411ca0cc90..f40bd2b04c29 100644
--- a/tools/include/linux/compiler.h
+++ b/tools/include/linux/compiler.h
@@ -138,6 +138,10 @@
 # define __force
 #endif
 
+#ifndef __iomem
+# define __iomem
+#endif
+
 #ifndef __weak
 # define __weak			__attribute__((weak))
 #endif
-- 
2.51.0.rc2.233.g662b1ed5c5-goog