MPC8xxx: drop redundant boot messages

Current code would print RAM size information like this:

	DRAM:  DDR: 256 MiB (DDR1, 64-bit, CL=2, ECC off)

Turn a number of printf()s into debug() to get rid of the redundant
"DDR: " string like this:

	DRAM:  256 MiB (DDR1, 64-bit, CL=2, ECC off)
Signed-off-by: Wolfgang Denk <wd@denx.de>
Acked-by: York Sun <yorksun@freescale.com>
Signed-off-by: Kumar Gala <galak@kernel.crashing.org>

arch/powerpc/cpu/mpc85xx/cpu.c

@@ -352,7 +352,7 @@ phys_size_t initdram(int board_type)
 	lbc_sdram_init();
 #endif
 
-	puts("DDR: ");
+	debug("DDR: ");
 	return dram_size;
 }
 #endif /* CONFIG_SYS_RAMBOOT */

board/freescale/corenet_ds/ddr.c

@@ -256,6 +256,6 @@ phys_size_t initdram(int board_type)
 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
 	dram_size *= 0x100000;
 
-	puts("    DDR: ");
+	debug("    DDR: ");
 	return dram_size;
 }

board/freescale/mpc8610hpcd/mpc8610hpcd.c

@@ -145,7 +145,7 @@ initdram(int board_type)
 
 	setup_ddr_bat(dram_size);
 
-	puts(" DDR: ");
+	debug(" DDR: ");
 	return dram_size;
 }
 

board/freescale/mpc8641hpcn/mpc8641hpcn.c

@@ -69,7 +69,7 @@ initdram(int board_type)
 
 	setup_ddr_bat(dram_size);
 
-	puts("    DDR: ");
+	debug("    DDR: ");
 	return dram_size;
 }
 

board/freescale/p2041rdb/ddr.c

@@ -110,6 +110,6 @@ phys_size_t initdram(int board_type)
 	dram_size = setup_ddr_tlbs(dram_size / 0x100000);
 	dram_size *= 0x100000;
 
-	puts("    DDR: ");
+	debug("    DDR: ");
 	return dram_size;
 }

board/sbc8641d/sbc8641d.c

@@ -63,7 +63,7 @@ phys_size_t initdram (int board_type)
 	dram_size = fixed_sdram ();
 #endif
 
-	puts ("    DDR: ");
+	debug ("    DDR: ");
 	return dram_size;
 }