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/powerpc/cpu/mpc8xxx/fsl_pamu.c b/arch/powerpc/cpu/mpc8xxx/fsl_pamu.c
index 3d00de3..2c378b7 100644
--- a/arch/powerpc/cpu/mpc8xxx/fsl_pamu.c
+++ b/arch/powerpc/cpu/mpc8xxx/fsl_pamu.c
@@ -7,6 +7,7 @@
 
 #include <common.h>
 #include <log.h>
+#include <linux/bitops.h>
 #include <linux/log2.h>
 #include <malloc.h>
 #include <asm/fsl_pamu.h>
diff --git a/arch/powerpc/cpu/mpc8xxx/law.c b/arch/powerpc/cpu/mpc8xxx/law.c
index ca9e6aa..e388386 100644
--- a/arch/powerpc/cpu/mpc8xxx/law.c
+++ b/arch/powerpc/cpu/mpc8xxx/law.c
@@ -7,6 +7,7 @@
  */
 
 #include <common.h>
+#include <asm/bitops.h>
 #include <linux/compiler.h>
 #include <asm/fsl_law.h>
 #include <asm/io.h>