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/drivers/clk/owl/clk_owl.c b/drivers/clk/owl/clk_owl.c
index 11b8da1..9715fce 100644
--- a/drivers/clk/owl/clk_owl.c
+++ b/drivers/clk/owl/clk_owl.c
@@ -17,6 +17,7 @@
 #include <asm/arch-owl/regs_s700.h>
 #include <dt-bindings/clock/actions,s700-cmu.h>
 #endif
+#include <linux/bitops.h>
 #include <linux/delay.h>
 
 void owl_clk_init(struct owl_clk_priv *priv)