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/sunxi/clk_a10s.c b/drivers/clk/sunxi/clk_a10s.c
index 33d41d4..d11a4b5 100644
--- a/drivers/clk/sunxi/clk_a10s.c
+++ b/drivers/clk/sunxi/clk_a10s.c
@@ -11,6 +11,7 @@
 #include <asm/arch/ccu.h>
 #include <dt-bindings/clock/sun5i-ccu.h>
 #include <dt-bindings/reset/sun5i-ccu.h>
+#include <linux/bitops.h>
 
 static struct ccu_clk_gate a10s_gates[] = {
 	[CLK_AHB_OTG]		= GATE(0x060, BIT(0)),