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/phy/bcm6358-usbh-phy.c b/drivers/phy/bcm6358-usbh-phy.c
index 13e0e7b..501b97f 100644
--- a/drivers/phy/bcm6358-usbh-phy.c
+++ b/drivers/phy/bcm6358-usbh-phy.c
@@ -15,6 +15,7 @@
 #include <reset.h>
 #include <asm/io.h>
 #include <dm/device.h>
+#include <linux/bitops.h>
 
 /* USBH Swap Control register */
 #define USBH_SWAP_REG		0x00