common: Drop linux/bitops.h from common header

Move this uncommon header out of the common header.

Signed-off-by: Simon Glass <sjg@chromium.org>
diff --git a/arch/arm/include/asm/gic-v3.h b/arch/arm/include/asm/gic-v3.h
index ac6c9e7..5131fab 100644
--- a/arch/arm/include/asm/gic-v3.h
+++ b/arch/arm/include/asm/gic-v3.h
@@ -6,6 +6,10 @@
 #ifndef __GIC_V3_H__
 #define __GIC_V3_H__
 
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
+
 #define GICR_CTLR_ENABLE_LPIS		BIT(0)
 #define GICR_CTLR_RWP			BIT(3)