updated read test to printout some debug things

tests.c

@@ -23,5 +23,10 @@ void test_read(void) {
 	char buf[5];
 	u32 bread = read(buf, 5);
 	printf("Bytes read: "); printhex(bread);
+	printf("\n");
 	printf("String read: "); printf(buf);
+	printf("\n");
+	for(u32 i = 0;i<5;i++) {
+		printhex(buf[i]); printf(" ");
+	}
 }