logo: add utils to dump file

utils/logo/logo_cat.c

@@ -0,0 +1,25 @@
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+
+	int result;
+	int ch;
+
+	while(1) {
+		result=getchar();
+		if (result<0) break;
+		if (result==0) break;
+
+		ch=result&0x7f;
+
+		if (ch=='\r') {
+			putchar('\n');
+		}
+		else {
+			putchar(ch);
+		}
+
+	}
+
+	return 0;
+}

utils/logo/text_cat.c

@@ -0,0 +1,16 @@
+#include <stdio.h>
+
+int main(int argc, char **argv) {
+
+	int result;
+
+	while(1) {
+		result=getchar();
+		if (result<0) break;
+
+		putchar(result&0x7f);
+
+	}
+
+	return 0;
+}