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/arch-tegra/pmc.h b/arch/arm/include/asm/arch-tegra/pmc.h
index 1524bf2..e1f5a73 100644
--- a/arch/arm/include/asm/arch-tegra/pmc.h
+++ b/arch/arm/include/asm/arch-tegra/pmc.h
@@ -7,6 +7,10 @@
 #ifndef _PMC_H_
 #define _PMC_H_
 
+#ifndef __ASSEMBLY__
+#include <linux/bitops.h>
+#endif
+
 /* Power Management Controller (APBDEV_PMC_) registers */
 struct pmc_ctlr {
 	uint pmc_cntrl;			/* _CNTRL_0, offset 00 */