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/pci/pcie_dw_ti.c b/drivers/pci/pcie_dw_ti.c
index e49e39e..742dd93 100644
--- a/drivers/pci/pcie_dw_ti.c
+++ b/drivers/pci/pcie_dw_ti.c
@@ -14,6 +14,7 @@
 #include <asm/io.h>
 #include <asm-generic/gpio.h>
 #include <dm/device_compat.h>
+#include <linux/bitops.h>
 #include <linux/delay.h>
 #include <linux/err.h>