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/spi/nxp_fspi.c b/drivers/spi/nxp_fspi.c
index 22a5c0e..c507437 100644
--- a/drivers/spi/nxp_fspi.c
+++ b/drivers/spi/nxp_fspi.c
@@ -40,6 +40,7 @@
 #include <spi-mem.h>
 #include <dm.h>
 #include <clk.h>
+#include <linux/bitops.h>
 #include <linux/kernel.h>
 #include <linux/sizes.h>
 #include <linux/iopoll.h>