mpc83xx: Add config of eTSEC emergency priority in SPCR

The TSEC emergency priority definition of 831x/837x
is different than the definition of 834x in SPCR register.

Add the other config of TSEC emergency priority into
cpu_init.c

Signed-off-by: Dave Liu <daveliu@freescale.com>
Signed-off-by: Kim Phillips <kim.phillips@freescale.com>

cpu/mpc83xx/cpu_init.c

@@ -73,6 +73,11 @@ void cpu_init_f (volatile immap_t * im)
 			  (CFG_ACR_PIPE_DEP << ACR_PIPE_DEP_SHIFT);
 #endif
 
+#ifdef CFG_SPCR_TSECEP
+	/* eTSEC Emergency priority */
+	im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSECEP) | (CFG_SPCR_TSECEP << SPCR_TSECEP_SHIFT);
+#endif
+
 #ifdef CFG_SPCR_TSEC1EP
 	/* TSEC1 Emergency priority */
 	im->sysconf.spcr = (im->sysconf.spcr & ~SPCR_TSEC1EP) | (CFG_SPCR_TSEC1EP << SPCR_TSEC1EP_SHIFT);