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/bcm63xx_hsspi.c b/drivers/spi/bcm63xx_hsspi.c
index afc7be0..f30a8a4 100644
--- a/drivers/spi/bcm63xx_hsspi.c
+++ b/drivers/spi/bcm63xx_hsspi.c
@@ -16,6 +16,7 @@
 #include <reset.h>
 #include <wait_bit.h>
 #include <asm/io.h>
+#include <linux/bitops.h>
 
 #define HSSPI_PP			0