board/freescale: Use unified setup_ddr_tlbs for spl boot and non-spl boot

We should use unified setup_ddr_tlbs() for spl boot and non-spl boot
to make sure 'M' bit is set for DDR TLB to maintain cache coherence.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
diff --git a/board/freescale/t208xrdb/ddr.c b/board/freescale/t208xrdb/ddr.c
index 053f128..f6c8ca3 100644
--- a/board/freescale/t208xrdb/ddr.c
+++ b/board/freescale/t208xrdb/ddr.c
@@ -101,12 +101,12 @@
 #if defined(CONFIG_SPL_BUILD) || !defined(CONFIG_RAMBOOT_PBL)
 	puts("Initializing....using SPD\n");
 	dram_size = fsl_ddr_sdram();
-
-	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
-	dram_size *= 0x100000;
 #else
 	/* DDR has been initialised by first stage boot loader */
 	dram_size = fsl_ddr_sdram_size();
 #endif
+	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
+	dram_size *= 0x100000;
+
 	return dram_size;
 }