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/clk_stm32mp1.c b/drivers/clk/clk_stm32mp1.c
index 767edb3..6c5eddb 100644
--- a/drivers/clk/clk_stm32mp1.c
+++ b/drivers/clk/clk_stm32mp1.c
@@ -14,6 +14,7 @@
 #include <syscon.h>
 #include <time.h>
 #include <vsprintf.h>
+#include <linux/bitops.h>
 #include <linux/io.h>
 #include <linux/iopoll.h>
 #include <dt-bindings/clock/stm32mp1-clks.h>