spi: Remove <common.h> and add needed includes

Remove <common.h> from this driver directory and when needed
add missing include files directly.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Reviewed-by: William Zhang <william.zhang@broadcom.com>
Signed-off-by: Tom Rini <trini@konsulko.com>
diff --git a/drivers/spi/omap3_spi.c b/drivers/spi/omap3_spi.c
index 5cce6ba..3d82fc7 100644
--- a/drivers/spi/omap3_spi.c
+++ b/drivers/spi/omap3_spi.c
@@ -16,9 +16,9 @@
  * Modified by Ruslan Araslanov <ruslan.araslanov@vitecmm.com>
  */
 
-#include <common.h>
 #include <dm.h>
 #include <spi.h>
+#include <time.h>
 #include <malloc.h>
 #include <asm/global_data.h>
 #include <asm/io.h>