blackfin enable arbitary speed serial setting

Add the needed definitions to activate arbitary speed support on the blackfin platform.

Signed-off-by: Alan Cox <alan@redhat.com>
Acked-by: Aubrey Li <aubrey.li@analog.com>
Signed-off-by: Andrew Morton <akpm@linux-foundation.org>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

diff --git a/include/asm-blackfin/termbits.h b/include/asm-blackfin/termbits.h
index 4eac38d..f37feb7 100644
--- a/include/asm-blackfin/termbits.h
+++ b/include/asm-blackfin/termbits.h
@@ -140,6 +140,7 @@
 #define HUPCL	0002000
 #define CLOCAL	0004000
 #define CBAUDEX 0010000
+#define BOTHER	0010000
 #define    B57600 0010001
 #define   B115200 0010002
 #define   B230400 0010003
@@ -155,10 +156,12 @@
 #define  B3000000 0010015
 #define  B3500000 0010016
 #define  B4000000 0010017
-#define CIBAUD	  002003600000	/* input baud rate (not used) */
+#define CIBAUD	  002003600000	/* input baud rate */
 #define CMSPAR	  010000000000	/* mark or space (stick) parity */
 #define CRTSCTS	  020000000000	/* flow control */
 
+#define IBSHIFT	16	/* Shift from CBAUD to CIBAUD */
+
 /* c_lflag bits */
 #define ISIG	0000001
 #define ICANON	0000002