powerpc/85xx: Fix determining Fman freq on P1023

On the P1023 the Fman freq is equivalent to the system bus freq, not 1/2
of it.  Also we only have one Fman so no need for the code to deal with
a second.

Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/cpu/mpc85xx/speed.c

@@ -190,10 +190,7 @@ void get_sys_info (sys_info_t * sysInfo)
 #endif
 
 #ifdef CONFIG_SYS_DPAA_FMAN
-		sysInfo->freqFMan[0] = sysInfo->freqSystemBus / 2;
-#if (CONFIG_SYS_NUM_FMAN) == 2
-		sysInfo->freqFMan[1] = sysInfo->freqSystemBus / 2;
-#endif
+		sysInfo->freqFMan[0] = sysInfo->freqSystemBus;
 #endif
 
 #endif /* CONFIG_FSL_CORENET */