Blackfin arch: Fix define - SPORT0_DTPRI is first function

Sigend-off-by: Michael Hennerich <michael.hennerich@analog.com>
Signed-off-by: Bryan Wu <bryan.wu@analog.com>

include/asm-blackfin/mach-bf537/portmux.h

@@ -99,7 +99,7 @@
 #define P_SPORT0_DRPRI	(P_DEFINED | P_IDENT(PORT_PJ8) | P_FUNCT(0))
 #define P_SPORT0_TSCLK	(P_DEFINED | P_IDENT(PORT_PJ9) | P_FUNCT(0))
 #define P_SPORT0_TFS	(P_DEFINED | P_IDENT(PORT_PJ10) | P_FUNCT(0))
-#define P_SPORT0_DTPRI	(P_DEFINED | P_IDENT(PORT_PJ11) | P_FUNCT(1))
+#define P_SPORT0_DTPRI	(P_DEFINED | P_IDENT(PORT_PJ11) | P_FUNCT(0))
 #define P_CAN0_RX	(P_DEFINED | P_IDENT(PORT_PJ4) | P_FUNCT(1))
 #define P_CAN0_TX	(P_DEFINED | P_IDENT(PORT_PJ5) | P_FUNCT(1))
 #define P_SPI0_SSEL3	(P_DEFINED | P_IDENT(PORT_PJ10) | P_FUNCT(1))