libc: Use printf and snprintf across codebase

tf_printf and tf_snprintf are now called printf and snprintf, so the
code needs to be updated.

Change-Id: Iffeee97afcd6328c4c2d30830d4923b964682d71
Signed-off-by: Antonio Nino Diaz <antonio.ninodiaz@arm.com>
diff --git a/lib/xlat_tables/xlat_tables_common.c b/lib/xlat_tables/xlat_tables_common.c
index 9632601..ca67f2a 100644
--- a/lib/xlat_tables/xlat_tables_common.c
+++ b/lib/xlat_tables/xlat_tables_common.c
@@ -27,7 +27,7 @@
 			(((level) == U(0)) ? LVL0_SPACER : \
 			(((level) == U(1)) ? LVL1_SPACER : \
 			(((level) == U(2)) ? LVL2_SPACER : LVL3_SPACER)))
-#define debug_print(...) tf_printf(__VA_ARGS__)
+#define debug_print(...) printf(__VA_ARGS__)
 #else
 #define debug_print(...) ((void)0)
 #endif