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>

arch/arm/mach-imx/imx8m/soc.c

@@ -22,6 +22,7 @@
 #include <fdt_support.h>
 #include <fsl_wdog.h>
 #include <imx_sip.h>
+#include <linux/bitops.h>
 
 DECLARE_GLOBAL_DATA_PTR;