powerpc/mpc85xx:Disable Debug TLB entry before init_tlbs

init_tlbs() initialize all the TLB entries required for the system.

So disable DEBUG TLB entry before TLB entries initialization.

Signed-off-by: Prabhakar Kushwaha <prabhakar@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>

arch/powerpc/cpu/mpc85xx/cpu_init_early.c

@@ -180,5 +180,9 @@ void cpu_init_early_f(void)
 
 	invalidate_tlb(1);
 
+#if defined(CONFIG_SYS_PPC_E500_DEBUG_TLB) && !defined(CONFIG_SPL_BUILD) && !defined(CONFIG_NAND_SPL)
+	disable_tlb(CONFIG_SYS_PPC_E500_DEBUG_TLB);
+#endif
+
 	init_tlbs();
 }